Choose the best answer:
If you explained it to him more slowly, he ……………….. it.

Choose the best answer to each question. 

He just couldn’t open the jar _____ hard he tried.

Choose the best answer to each question. 

Fertilizers are used primarily to enrich the soil and increasing yield.

Identify the word or phrase that must be changed for the sentence to be correct.

He doesn’t have any informations about the departure and arrival time of today’s flights.

Choose the best answer

The most important thing is that we _________foreign tourists come back to Viet Nam again.

………………… have been working hard in the search for a cure for cancer. (SCIENCE).

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As a citizen, it is normal to _________ to the laws and rules made by the society.

Choose the best answer to each question. 

________ what most people say about him, Paul has a very good sense of humour.

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

Choose the best answer to each question. 

Anna: “You don’t have to go to school this afternoon, do you?” Bob: “_____________”.

Each of the following sentences has an error. Find the errors and correct them.

He experimented with ways of transmitting speech over a long distant with his assistant.

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‘In some ethnic groups, women play the leading role in the family’ ‘_________’

Choose the best answer to each question. 

He can’t find money for life necessities, ______ such luxuries as wine and tobacco.

Choose the best answer to each question. 

Someone comes to visit us soon, _________?

Each of the following sentences has an error. Find the errors and correct them.

We_________ for three hours and are very tired.

Choose the best answer to each question. 

Her mother’s illness cast a cloud__________her wedding day.

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John isn’t going to go, and Peter isn’t………….

Choose the best answer to each question. 

There is no __________ explanation for what happened.

Choose the best answer:
Lam passed the test successfully…………………he worked very hard.

They  have just ___________________  a new style of jeans in the USA.(introduction)

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

The more he tried to help her, ……. she seemed to appreciate it.