Choose the best answer to each question. 

There are still, however, rather a lot of obstacles to ________.

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It’s the ___ difficult exercise that they have ever done so far.

Choose the correct answer to complete each of the following sentences.

Not only ………………in the project, but he also wanted to become the leader.

Choose the correct answer to complete each of the following sentences.

My car was so old that I could only sell it for ………………

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We are too late. The plane………….off ten minutes ago.

 Instead of _______about the good news, Tom seemed to be indifferent.

Choose the best answer to each question. 

His parents agreed to ________ him their car while they were away on holiday.

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Would you please leave us details of your address _______ forwarding any of your mail to come?

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The book ______ consists of four parts has been translated into Vietnamese.

“Would you like a cup of coffee?”, she asked.

Choose A, B, C, or D to complete each sentence.

Something ……… happened or they would be here by now.

Choose the correct completion

You haven't finished your homework yet,........?

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You can borrow my book _________you bring it back by Monday.

Choose A, B, C, or D to complete each sentence.

Lucy was late for class this morning because the alarm clock didn’t ….

I like to wear casual clothes because it is ______________. (convenience)

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Well- ___________child often behaves quite differently from one who did not get good schooling.

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It  _____________that China dug up the ocean floor to build artificial islands.

Choose the best option to complete the following sentence:

Instead of _______about the good news, Tom seemed to be indifferent.

Many countries in Asia agreed to _____ diplomatic relations.

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They have made a substantial change; that means, they have made a(n) __________change.

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My son is quite___ in biology.