Choose the best answer to each question. 

 The Chief of police, _______work is very important, takes care of the public safety.

Who looks ______ your children when you are away from home?

Each sentence has a mistake find and correct it:

The number of the books in the library have risen to over five million.

You can't have both of these products. Take one __________ the other

 Our energy will soon come to an end if we don't__________ it.

Fill in the blank with the correct form of the given word.

When the students learn about space travel, they are very curious about the state of being _______. (weight)

A new air-conditioner will be................... this morning.

Lan dropped his watch when he was............... the bus.

My shoes are dirty. I'd better take them ________before I come in.

Choose the best answer to each question. 

It’s no use _______a language if you don’t try to speak it, too.

Choose the best answer: 
Last year, my family _______ tradition and travelled abroad during Tet holiday.

Choose the best one (A, B, C, or D) to complete the sentence.

They didn’t stop __________ until 11.30 pm when there was a power cut.

He is tired now_______he stayed up late watching TV.

Choose the best answer A, B, C, or D to complete the sentences.

The driver stopped _____________ a coffee because he felt sleepy.

 A(n) ______ is a violent tropical storm with very strong wind occurring in the western Pacific or Indian oceans.

Choose the option that needs correcting.

I won’t feed your dog again. He always tries biting me when I come near him.

Choose the word or phrase (A, B, C, or D) which best completes each following sentence.

It is dangerous _______in this river.

Choose the best answer to each question. 

A. “How come you didn’t tell me that you would quit the job?” B. “ _________.”

He is going to the post office_______he wants to send a letter

Choose the best answer A, B, C, or D to complete the sentences.

It is boring here. _________ ever happens in this place.

He likes to travel, _______________ so does she.