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2,410 câu hỏi

Because an insufficient amount of protein in the diet can cause illnesses, it is imperative that our diet containing an ample amount of the essential proteins.
12 2 tháng trước

National Parks are usually located in places where have been largely undeveloped, and are often with exceptional native animals, plants, and unusual geological features.
13 2 tháng trước

Ecosystems regulate the climate, determine the composition of the atmosphere, make new soil, controlling diseases, and provide food.
13 2 tháng trước

The invention of cars makes transportation many easier, but it is cars that are the greatest contributor of air pollution.
14 2 tháng trước

As the result of a recent estimation, about 1 billion people around the world have some knowledge of English, either as a native language, as a second language, nor as a foreign
13 2 tháng trước

Oceans, that cover about 70% of the Earth’s surface, contain approximately 97% of the Earth’s water supply.
14 2 tháng trước

Everyone sometimes have difficulty in sleeping, but if you miss a couple of hours of sleep, no harm is done.
12 2 tháng trước

The word “robot” is used to refer to a wide range of machines, the common feature of that is that they are all capable of movement and can be used to perform physical tasks.
13 2 tháng trước

Many national parks and animal reserves charge admission prices to help paying the cost of maintaining and they also depend on world organizations for support.
14 2 tháng trước

In an effort to solve the problem of extinct, many countries have allocated large amounts fland to animal reserves.
12 2 tháng trước

The government are encouraging local people to plant more and more trees _______ the land from erosion. A. so preventing B. in order that prevent C. so to prevent D. so as to prevent
13 2 tháng trước

He held her tight _______ she would not fall. A. so that B. in order to C. so as to D. such that
13 2 tháng trước

We have economized as much as possible _______ a new car. A. in order to buy B. so as buying C. so that buying D. in order that will buy
13 2 tháng trước

Anne shrugged her shoulders _______ what happened. A. as if she had not known B. as though she has not known C. if she had not known D. as not known
12 2 tháng trước

She told me not to ask anything but just to do _______ she did. A. such as B. as of C. as D. as though
15 2 tháng trước

He always pays attention to her every word _______ some sort of goddess. A. as she was B. as if she were C. if only she had been D. as though she is
13 2 tháng trước

He read _______ he did not get enough knowledge for the exams. A. so few books as B. such few books that C. such a few books as D. so few books that
15 2 tháng trước

They have _______ they cannot find time for themselves. A. such many things to do that B. such things for doing that C. so much things to do that D. so many things to do that
14 2 tháng trước

John and Mary are _______ they donate half of their salaries to charity. A. such generous men that B. so generous men that C. such generous men as D. so generous men as
13 2 tháng trước

_______ she persevered steadily she achieved success. A. Because B. Due to C. Thanks to D. Because of
16 2 tháng trước

_______, we lost the game. A. As the fact that I made a mistake B. Due to my mistake C. Because my mistake D. In case my mistake
17 2 tháng trước

Kathy put on weight _______ she had been eating too much sugar. A. since B. because of C. due to D. because the fact that
13 2 tháng trước

_______ he lives optimistically. A. Even if his unhappiness B. Unhappy although he is C. In spite of his unhappiness D. Despite he is unhappy
14 2 tháng trước

_______, I tried my best not to quit my university study. A. In spite used to be in a financial difficulty B. Despite I used to be in a financial difficulty C. Though I used to be in a fin
14 2 tháng trước

________ the teacher gave him an extra day to do the work he still could not complete it. A. If B. Even if C. If only D. As if
13 2 tháng trước

The dog _______ you if you _______ it. A. will not attack / was not teasing B. would not attack / had not teased C. will not have attacked / did not teased D. would not have attacked / ha
17 2 tháng trước

_______ our good market research, we _______ bankrupt. A. Unless / will not have gone B. If / will not go C. Suppose / would not go D. But for / would have gone
16 2 tháng trước

_______ you cross the road carelessly, you may get a traffic accident. A. If B. Unless C. But for D. If only
14 2 tháng trước

If you _______ to my advice when you began the work, you in trouble now. A. took / were not B. take / are not C. had taken / would not have been D. had taken / would not be
15 2 tháng trước

English wine is good but French wine is _______ A. more good B. gooder C. better D. the better
14 2 tháng trước

Coins are _______ paper notes. A. more durable as B. more durable than C. most durable than D. most durable as
14 2 tháng trước

Lung cancer is one of _______ diseases among men. A. the more common B. the most common C. many more common D. many less common
13 2 tháng trước

Poor people have _______ access to basic social services _______ the rich do. A. less / than B. less / as C. the least / than D. the least / as
14 2 tháng trước

I never want to move out. I shall remain _______. A. where I am B. where am I C. what I am D. what am I
14 2 tháng trước

_______, you know that the moon is pulling the water up. A. No longer you see high tide B. Until do you see high tide C. When you will see high tide D. When you see high tide
13 2 tháng trước

Do not leave _______ A. no sooner I arrive B. soon I arrive C. before I arrive D. before I will arrive
13 2 tháng trước

Will he wait _______? A. before the show will end B. since the show ends C. until the show ends D. after the show will end
14 2 tháng trước

The Chinese restaurant, _______ spacious and clean, is in the centre of the city. A. is B. that is C. which is D. where is
12 2 tháng trước

All of the goals can be accomplished through procedures _______ A. whose we have developed B. in which we have developed C. for that we have developed D. we have developed
15 2 tháng trước

You are the new secretary _______, aren’t you? A. started work yesterday B. who started work yesterday C. whom started work yesterday D. which started work yesterday
12 2 tháng trước

Do you know _______? A. how far the moon is from the earth B. how far is the moon from the earth C. that how far the moon is from the earth D. that how far is the moon from the earth
13 2 tháng trước

_______ the question asked by the campus authorities. A. Whose the bike belonged to B. That the bike belongs to C. Who is the bike belonged D. Which is the bike belong
13 2 tháng trước

It was very unfortunate _______ A. that the chairman was ill B. if the chairman was ill C. that the chairman is ill D. the ill chairman
16 2 tháng trước

There is now intense _______ between schools to attract students. A. compete B. competition C. competitive D. competitor
15 2 tháng trước

The audience were very _______ by her _______. A. impressive / performer B. impress / performing C. impressed / performance D. impressing / perform
14 2 tháng trước

Computers were not _______ available until the 1950s. A. commerce B. commercial C. commercially D. commercialize
16 2 tháng trước

“_______,” the doctor advised his patient. A. You had better stop drinking B. I would like you to drink C. You had better to drink D. Please drink some more
13 2 tháng trước

Barbara asked me _______ her homework that afternoon. A. whether must she do B. that she has to do C. if she had to do D. if she must do
17 2 tháng trước

Christopher asked me _______. A. that I could dance B. whether I can dance C. if I could dance D. if could I dance
14 2 tháng trước

Scientists have not been able to cure AIDS, _______ any vaccine against the disease. A. nor they have found B. nor have they found C. not they have found D. no have they
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