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

A. difficult

B. for

C. beings

D. fighting

Câu 1: Two weeks are plenty of time to finish the assignment.

A. weeks

B. are

C. plenty of time

D. to finish

Câu 2: A novel is a story long enough to fill a complete book, in that the characters and events are usually imaginary.

A. is

B. long enough

C. in that

D. imaginary

Câu 3: Mrs. Alien was concerned about me having to drive so far every day.

A. about

B. me having

C. so far

D. every day

Câu 4: 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 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: Did you say that you will have a lot of things to do the following week?

A. that

B. will

C. to do

D. the following