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2,410 câu hỏi

There was during the Industrial Revolution that the United States was able to increase productivity through mechanization.
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Uranium, found in trace quantities, are an exceedingly rare and potentially dangerous element.
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From the beginning of the twentieth century to the present, technology has developed too much that people begin to think that there are no limits to what we can achieve.
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It is often said that an early life of hardship and poverty made Abraham Lincoln to be the great leader he was.
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If you are not completely satisfied on our goods, contact us within ten days and we will arrange collection and refund your money in full.
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With as few as 5,000 tigers remaining in the world today, time is running quick out for this powerful animal.
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Since the world was industrialized, the number of animal species that has become extinct has increased.
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There maybe 8,000 or more people ran in the race through the streets of San Francisco.
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Although they are an inexpensive supplier of vitamins, minerals, and high quality protein, eggs contain a high level of blood cholesterol, one of the major cause of heart disease.
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From bones finding in the United States, we have learned that many animals which no longer existed in the world once made their homes there.
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Operate the machine _______. A. as if you have been instructed B. as if were instructed C. as you have been instructed D. as though you have been instructed
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She was deeply sad after her husband’s death, but she behaved _______ she had been OK. A. if B. as if C. even if D. if only
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It was his mistake but he pretended _______ nothing wrong. A. as if B. as there had been C. as though there had been D. as though there has been
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They worked _______ hard _______ they passed the exam at high grades. A. so / that B. such / that C. so / as D. such / as
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He had _______ he went hiking. A. such many time that B. so much time that C. so few time that D. such few time that
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She made _______ she failed the exam. A. such many mistakes that B. so many mistakes that C. many so mistakes that D. many such mistakes that
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Keep your password secret _______ others cannot access your account. A. so as that B. so as to C. in order to D. so that
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Mary closed the door and the window _______ disturbed by the noise. A. so that she was not B. in order that not to be C. so as was not D. so as she was not
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The thieves are running as fast as possible _______ caught by the police. A. in order that not be B. so that being C. so as not to be D. in order be
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_______ thousands of accidents happen every day, many people seem not to observe the traffic laws. A. If B. As if C. If only D. Even if
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Hard-working _______ he is, he will never be top of his class. A. although B. as C. despite D. in spite
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. _______ the same class with Paul for two years, I never knew him very well. A. Even though sharing B. In spite I shared C. Although I shared D. Despite of sharing
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You need proper shoes to go hiking in the mountains _______ the ground is rough and hard. A. because of B. due to C. since D. thanks to
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Those children have stayed in the hospital for a long time _______ A. due to they are seriously ill B. because of they are seriously ill C. because their serious illnesses D. because of the
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_______ past deforestation and illegal hunting, many species of mammals and flora have disappeared. A. Because of B. Because C. As D. Since
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If you take the 8 a.m. flight to New York you _______ change the plane. A. could not have to B. will not have to C. had not had to D. would not to have to
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If the traffic _______ bad, I may get home late. A. is B. were C. was D. had been
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You will have to pay higher insurance _______ a sports car. A. if you buy B. if you will buy C. unless you bought D. provided that you did not buy
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If we _______ the map, _______ lost now. A. took / would not have got B. had taken / we would not have got C. take / will not get D. had taken / we would not get
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That washing machine is _______ but _______ in quality. A. a bit more expensive / better than B. a bit as expensive / many better C. a little more than expensive / more good D. a little b
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They are both pretty but Susan is the _______ of the two. A. most pretty B. prettiest C. prettier D. pretty
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It seems that we have _______ for ourselves and our family. A. more time than B. less and less time C. as many time as D. time less than
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Miss World is even _______ in real life _______ in photos. A. as beautiful / more B. more beautiful / as C. the more beautiful / than D. more beautiful / than
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Don’t go away from me. Stand _______ A. where I can see you B. where can I see you C. where to see you D. in where I can see you
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_______ had they finished their project than they prepared for another one. A. No until B. As long as C. As soon as D. No sooner
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_______, the first thing we saw was a church. A. No sooner we approach B. Soon before approaching C. As we approached the village D. When we would approach the village
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You shouldn’t drive _______ alcohol. A. after you have drunk B. while you will drink C. after drink D. as soon as you will drink
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Please tell me the time _______ I can come for the interview. A. that B. when C. on that D. where
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It is the boss _______ is the most important. A. whose decision B. that decides C. who decides D. which decision
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That is the young man _______ we owe many thanks. A. to whom B. who C. that D. to that
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_______ is a painting by Vincent Van Gogh. A. What you see now B. What do you see C. You see now D. Do you now
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_______ is unimportant. A. He won or lost B. Whether did he win or lose C. Whether he won or lost D. What did he win or lose
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Mr. Jones is valuable for _______. A. he knows about history B. what does he know about history C. what he knows about history D. what knowing about history
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At last, we were able to draw a _______. A. concluding B. conclude C. conclusive D. conclusion
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_______ is very important in using lasers. A. Precise B. Precisely C. Precisive D. Precision
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The patient who suffers from lung cancer is being injected with a special _______ A. chemist B. chemistry C. chemical D. chemically
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I asked myself _______ the old painting I had found was worth any money or not. A. that B. if C. that if D. if that
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John advised Mary _______ so hard. A. did not work B. networking C. not to work D. had not worked
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Nancy wanted to know _______ to New York _______ A. why Nick did not go / last summer B. why Nick had not gone / the summer before C. why did not Nick go / last summer D. why had Nick not
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_______ that _______ it three times. A. So interesting is the film / have we seen B. So interesting is the film / we have seen C. So interesting the film is / we have seen D. So interesti
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