Câu hỏi: It is very difficult for human beings fighting pollution.

A. difficult

B. for

C. beings

D. fighting

Câu 1: If the goal keeper had playing better, they would not have lost the game.

A. If

B. goal keeper

C. had playing

D. would not have lost

Câu 2: In today's competitive markets, even small businesses had better to advertise on TV and radio in order to gain a share of the market.

A. today’s

B. to advertise

C. on

D. to gain

Câu 3: The children next door are a real nuisance. Their football is always coming on the fence and damaging the flowers in my garden.

A. next door

B. a real nuisance

C. on

D. damaging

Câu 4: Reading several books on that subject, Bill considered himself an expert.

A. Reading

B. books on

C. considered himself

D. expert

Câu 5: The police is looking for the bank robbers who stole a large sum of money from the bank.

A. is

B. looking for

C. who

D. from

Câu 6: Some of my friends are good at English while other are good at Mathematics.

A. my friends

B. at

C. while

D. other