There is a mistake in the four underlined part of each sentence.  Choose and correct it: 

Nam asked Mai what can he do to help her

Choose the best answer to each question. 

The water company will have to ______ off the water supply while repairs to the pipes carry out.

_____________, ao dai was worn by both men and women. (tradition)

Choose the best answer to each question. 

When the tenants failed to pay their bill, the authorities decided to cut________ the gas supply to the flat.

This shirt costs .................. 88,000VND.

We began (learn).................................... English 4 years ago.

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

It is necessary that everyone ………aware of the protection of the environment.

Choose the words or phrases that are not correct in standard written English.

It has been a while since I have visited London in 1996.

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

In the early years of the 20th century, several rebellions______in the northern parts of the country.

Choose the best answer to each question. 

Much unknown plants and animals are disappearing as the tropical forests are destroyed.

Choose the best answer to each question. 

Most folk songs are ballads ________have simple words and tell simple stories.

Choose the best answer to each question. 

America, as well as Japan, England, and Germany_____.

Choose the best answer

We haven’t seen Jane _____________a year.

Choose the best answer to each question. 

But why did the police suspect you? It just does not make________ to me.

I’ve read your advertisement in today’s .............................. of the “Tuoi Tre”

Choose the best answer to each question. 

Would you mind _________ these plates a wipe before putting them in the cupboard?

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

John was upset last night because he had to do too many homework. 

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 best answer to each question. 

Granny is completely deaf. You’ll have to ________allowance for her.

Choose the correct completion

Don't chew gum in the classroom,......?

Choose the best answer to each question. 

Life’s very easy for you. You were born with a ________spoon in your mouth.