Câu hỏi: Oxygen plays a important role in maintaining live.

A. a

B. plays

C. role

D. live

Câu 1: Because her sickness she didn’t take part in the English competition held in Sunday.

A. Because

B. she

C. take

D. held

Câu 2: Most of the houses on the street was built in the previous century.

A. of

B. on

C. previous

D. was

Câu 3: Foreign students who are doing a decision about which school to attend may not know exactly where the choices are located

A. are doing

B. about which

C. to attend

D. the choices

Câu 4: I can’t go out tonight because I have too many work to do.

A. can’t

B. because

C. too many

D. to do

Câu 5: I had my motorbike repair yesterday but now it still doesn’t work.

A. had

B. repair

C. but now

D. work

Câu 6: He passed the exams with high scores, that made his parents happy.

A. passed

B. with

C. that 

D. happy