Câu hỏi: It is important that you turned off the heater every morning before you leave for class.

A. turned off

B. before

C. important

D. leave for

Câu 1: The teacher together with his students have finished their project on time.

A. The

B. together 

C. have

D. their

Câu 2: 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 3: My father asked me where had I gone the night before.

A. asked

B. the 

C. before

D. had I

Câu 4: 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 5: A child of noble birth, his name was famous among the children in that school.

A. of

B. his name

C. among

D. in that

Câu 6: If I had studied carefully, I wouldn't made so many mistakes.

A. I had

B. carefully

C. made

D. so many