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2,410 câu hỏi

We can burn garbage in special plants and use its heat energy to make steam to heat buildings or to generate electric.
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The California Gold Rush was a period in American history marked by great world-wide interest concerning a gold discover in Northern California.
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Knowledge about farming and tools have made our work easier and more productive.
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In the early years of television, educational specialists believed that it will be very useful in teaching and learning.
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The role of women in agriculture and in rural development is increasing recognized both at international and national level.
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Mollusks, recognizing by most people by their shells, create some of the most diverse and beautiful objects on Earth.
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The richest, 5 percent of Americans, earned approximately 10 times much as the poorest, 20 percent.
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According to the Canadian Pulp and Paper Association, Canada supplies 34% of the world’s wood pulp and 49% of it newsprint paper.
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Energy conservation is any behavior it results in the use of less energy.
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Some people are concerned that burning garbage may make harm to the environment.
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Humans suffer a lot of from natural disasters because ______ A. of the fact that their serious destruction of the environment B. their serious destruction of the environment C. of they hav
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I enjoy the course ______ the professor is very good. A. thanks to B. due to C. because of D. since
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The judge dismissed the case ______ A. because of the evidence was not enough evidence B. because not enough evidence C. because of there was not enough evidence D. because there was not

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They caught a taxi ______ they could arrive at the conference on time. A. so that B. so as to C. in order to D. in case that
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She took a computer course ______ A. so as to she had get a better job B. so as that she could get a better job C. in order that she had ever got a better job D. so that she could get a b
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He kept quiet ______ A. so that to avoid trouble B. so as to avoiding trouble C. in order he could avoid trouble D. in order to avoid trouble
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The chemicals were ______ they caused serious damage to the environment. A. poisonous so that B. poisonous such that C. so poisonous that D. such poisonous that
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She has gained ______ she cannot get into her trousers. A. such a lot of weight that B. so a lot of weight that C. such many weight that D. so weight that
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There is ______ the environment is more and more polluted. A. so much carbon dioxide in the air that B. so many carbon dioxide in the air that C. so much carbon dioxide in the air as D. suc
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Leave the documents ______ A. as they are B. as though they are C. as if they are D. like they are
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Johnny ate greedily ______ had not eaten anything for days. A. if B. in order to C. even if D. as if
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They talked ______ the book A. as they had read B. if they had read C. as if they had read D. as if they are reading
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______, we could not solve the problem of rubbish. A. Despite hard we worked B. In spite of we worked hard C. Though did we work hard D. Hard as we worked
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______, he seldom helps the poor. A. In spite of his wealth B. Despite of his wealth C. In spite he is wealthy D. Despite he is wealthy
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She arrived safely ______ she lost her way twice. A. although B. despite C. despite of D. in spite of
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She had to have the operation ______. A. unless she would dies B. if she would die C. otherwise she will die D. or she would die
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If you meet Mary today, ______ her to ring me. A. tell B. to tell C. telling D. will tell
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______ I had brought my laptop to the meeting yesterday. A. If B. If only C. Even if D. As if
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If it ______ an hour ago, we would have stayed inside. A. rains B. rained C. had rained D. were raining
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I think New York is one of ______ cities in the world. A. more wonderful B. most wonderful C. the most wonderful D. as much wonderful as
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The fruits of the tropics are ______ A. more varied as those of temperate regions B. as varies than the fruits of temperate regions C. more varied than that of temperate regions D. more v
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______ live in the capital than in the whole of the rest of the country. A. Many people B. More people C. As many as people D. People more
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That state is at least ______ England. A. twice as big as B. as twice big as C. as two times big as D. as big as twice
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Soldiers must go ______ A. for wherever the army assigns them B. wherever the army assigns them C. in where the army assigns them D. as much as the army assigns them
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Let’s wait here ______ A. no sooner it stops raining B. by the time the rain will stop C. until it stops raining D. when the rain will stop
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______ the washing up, Maria put the dishes away. A. After I had done B. After had I done C. After I have done D. After I would do
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We need to look at this proposal very carefully ______ A. after we have made a decision B. before we make a decision C. after we are making a decision D. before we will make a decision
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It is easy to see ______ he has succeeded. A. the reason that B. the reason, which C. the reason, why D. the reason why
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______ also goes to this school, will be attending the party next weekend. A. Mr. Jackson whom son B. Mr. Jackson whose son C. Mr. Jackson, whose son D. Mr. Jackson who son
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The friends ______ at university are coming to visit next week. A. we met B. when we met C. whose we met D. we met whom
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I’d prefer it if you didn’t smoke in here. A. Smoking is banned in here. B. People prefer to smoke in here. C. Both you and I prefer smoking in here. D. Would you mind not smoking in here?
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You should have seen the boss as soon as you arrived. A. The boss did not want to see you when you arrived. B. You were supposed to see boss when you arrived. C. After your arrival, you ca
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Peter does not work for our company any more. A. Peter gets used to working for our company. B. Peter used to work for our company. C. Peter are used to working for our company D. Peter d
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At last she realized ______ A. he was deceiving her B. was he deceiving her C. if was he deceiving her D. when was he deceiving her
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It is important ______ A. that we study hard for this exam B. study hard for this exam C. studying hard for this exam D. that whether we study hard for this exam
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______ very surprising. A. He came here was B. He came here C. That he came here was D. That he came here
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The villagers ______ them to repair roads and plant trees. A. promised us to help B. apologized us for helping C. ordered us for helping D. thanked us for helping
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The boss ______ because he was too lazy. A. threatened to dismiss him B. threatened him to dismiss C. suggested him to dismiss D. promised him to dismiss
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Frank wanted to know ______ A. how much money could Lisa earn B. how much money Lisa could earn C. how much money can Lisa earn D. how much money Lisa can earn
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______ that she was allergic to cats. A. Never she has said B. Has she said never C. Has she never said D. Never has she said
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