Chia động từ trong ngoặc cho phù hợp để hoàn thành các câu sau.

Look! The dogs (run) _______________ after Nghia over there.

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following question:

If he ________soon, he might miss the train.

Geologists find it useful to identification fossils in a rock sample because certain assemblages of species are characteristic of specific geologic time periods.

What caused the explosion in the factory it is still unknown

Choose one word or phrase marked A, B, C, or D that best complete the preceding sentence:

__________, Joe stays in bed and reads magazines.

Mining over 2,000 years ago, copper is one of the earliest known metals.

Choose the letter A, B, C or D to complete the sentences

Concord used to be _______ passenger plane in the world

Find the mistake: As soon as you leave the room, don’t forget turning off the lights.

The pace of living is too fast for me in this town. I need to move to a village, where everything happens more slower.

Mark the letter A, B, C, or D to indicate the correct response to each of the following exchanges

Mr. Bean: “How has tourism changed over the past few decades?”

      Hoai Khanh: “__________________”

Despite of rain or snow, there are always more than fifty thousand fans at the OSU football games.

Choose one word or phrase marked A, B, C, or D that best complete the preceding sentence:

When the police came, they _________.

In the whole I agree with what you’re saving, but I’m not sure about your last point.

Choose one word or phrase marked A, B, C, or D that best complete the preceding sentence:

What are you going to do__________ quiting the current job?

Genetic engineering is helping researchers unravel the mysteries of previously incurable diseases so that they can get to its root causes and find cures.

I didn't get much of an _______ of the place because it was dark when we drove through it.

Although apples do not grow during the cold season, apple trees must have a such season in order to flourish.

Identify the error in each sentence: (A) All the (B) books on (C) the top shelf (D) belongs to me.

The biologist found some pollutants, a little of which can be considered very harmful to fish and other living organisms in the river.

Since the computer was invented, the work of accountants have been simplified.

Before she moved here, Arlene had been president of the organization since four years