Câu hỏi: 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 1: 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 2: David, who mother is Vietnamese, speaks both Vietnamese and English fluently.

A. who

B. is

C. speaks 

D. fluently

Câu 3: Hardly did he enter the room when all the lights went out.

A. did he enter

B. when

C. the lights

D. went

Câu 4: Optimists believe that in future we will be living in a cleaner environment, breathing fresher air and eat healthier food.

A. Optimists believe

B. in future

C. living in a cleaner

D. eat healthier food

Câu 5: My father asked me where had I gone the night before.

A. asked

B. the 

C. before

D. had I

Câu 6: Unlike many writings of her time, she was not preoccupied with morality.

A. writings

B. of her time

C. preoccupied

D. with morality