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

A. passed

B. with

C. that 

D. happy

Câu 1: Hardly did he enter the room when all the lights went out.

A. did he enter

B. when

C. the lights

D. went

Câu 2: Both Mr. and Mrs. Smith are explaining the children the rules of the game.

A. Both Mr. and Mrs. Smith

B. are

C. explaining

D. the children the rules of the game

Câu 3: My father asked me where had I gone the night before.

A. asked

B. the 

C. before

D. had I

Câu 4: Oxygen plays a important role in maintaining live.

A. a

B. plays

C. role

D. live

Câu 5: Because her sickness she didn’t take part in the English competition held in Sunday.

A. Because

B. she

C. take

D. held

Câu 6: There are many reasons why a particular species may become endangering.

A. endangering

B. may

C. a

D. reasons why