Câu hỏi: The grass needs cutting, so let us have one of the men to take lawn-mower and do it.

A. needs

B. cutting

C. let

D. to take

Câu 1: I enjoyed talking to the people with that I met at the party last night.

A. talking

B. the

C. with that

D. at the party

Câu 2: It is vitally important that she takes this medication night and morning.

A. vitally

B. that

C. takes

D. medication

Câu 3: United States is aimed at develop friendly relations among nations based on respect for the principle of equal rights and self-determination of people.

A. develop

B. based

C. principle

D. people

Câu 4: The assumption that smoking has bad effects on our health have been proved.

A. that

B. effects

C. on

D. have been proved

Câu 5: Developing new technologies are time-consuming and expensive.

A. developing 

B. technologies

C. are

D. time-consuming

Câu 6: Had it not been for you help me, I wouldn't have succeeded.

A. not

B. you help me

C. wouldn’t

D. succeeded