Câu hỏi: What do you think _________ to the park if more chemicals are released into the water?

A. happen

B. will happen

C. happens

D. happening

Câu 1: Playing sports is _________ good way to stay away from stress.

A. a

B. an

C. the

D. x

Câu 2: __________ sort of music does your father enjoy listening to?

A. When

B. Who

C. What

D. When

Câu 3: If the sun hadn't been shining, we _________ gone to the beach yesterday.

A. wouldn't have

B. wouldn’t

C. won’t be

D. hadn’t

Câu 4: If you had caught the bus, you _____ late for work.

A. wouldn't have been

B. would have been

C. wouldn’t be

D. would be

Câu 5: Can you name some countries having subtropical climate ___________ the world?

A. in

B. on

C. for

D. with

Câu 6: It is the first of Viet Nam’s nine national parks _________ established

A. to

B. be

C. was

D. to be