Câu hỏi: After she ________ hospital, she had a long holiday.

A. leaves

B. is leaving

C. had left

D. has left

Câu 1: Laura reminded her roommate ...... her alarm clock for 6:00.

A. to set

B. setting

C. to be set

D. of setting

Câu 2: I don't remember ...... of the decision to change the company policy on vacations. When was it decided?

A. telling

B. being told

C. to tell

D. to be told

Câu 3: The two children blamed each other ...... the window.

A. to break

B. breaking

C. for breaking

D. having broken

Câu 4: The boy found a wallet in the street, and then he ...... to return it to the loser.

A. tried

B. had tried

C. was trying

D. had been trying

Câu 5: Let’s _________ water by turning off tapes when not using.

A. save

B. to save

C. saving

D. saved

Câu 6: The leopard is _________ the threat of extinction.

A. in

B. on

C. under

D. below