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

A. I had

B. carefully

C. made

D. so many

Câu 3: The teacher together with his students have finished their project on time.

A. The

B. together 

C. have

D. their

Câu 4: 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 5: Mr. Smith, along with her cousins from Canada, are planning to attend the firework display in Da Nang, Vietnam.

A. with

B. her cousins

C. are

D. to attend

Câu 6: The harder he tried, the worst he danced before the large audience.

A. before

B. the

C. worst

D. tried