Câu hỏi: There are many reasons why a particular species may become endangering.

A. endangering

B. may

C. a

D. reasons why

Câu 1: Oxygen plays a important role in maintaining live.

A. a

B. plays

C. role

D. live

Câu 2: I had my motorbike repair yesterday but now it still doesn’t work.

A. had

B. repair

C. but now

D. work

Câu 3: There are some people in the government try to improve the lives of poor people.

A. to improve

B. There are

C. lives

D. try

Câu 4: He passed the exams with high scores, that made his parents happy.

A. passed

B. with

C. that 

D. happy

Câu 5: Most of the houses on the street was built in the previous century.

A. of

B. on

C. previous

D. was

Câu 6: Because her sickness she didn’t take part in the English competition held in Sunday.

A. Because

B. she

C. take

D. held