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

A. endangering

B. may

C. a

D. reasons why

Câu 1: He passed the exams with high scores, that made his parents happy.

A. passed

B. with

C. that 

D. happy

Câu 2: Hardly did he enter the room when all the lights went out.

A. did he enter

B. when

C. the lights

D. went

Câu 3: Because her sickness she didn’t take part in the English competition held in Sunday.

A. Because

B. she

C. take

D. held

Câu 4: Most of the houses on the street was built in the previous century.

A. of

B. on

C. previous

D. was

Câu 5: 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 6: The man for who the police are looking robbed the bank yesterday.

A. who

B. are

C. robbed

D. the bank