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

A. to set

B. setting

C. to be set

D. of setting

Câu 1: I threw my old trainers and bought some new .................. .

A. ones

B. one

C. some

D. any

Câu 2: What about ___________ the solution together this afternoon?

A. find

B. finding

C. to find

D. to finding

Câu 3: Let’s _________ water by turning off tapes when not using.

A. save

B. to save

C. saving

D. saved

Câu 4: She glanced briefly ________ his lapel badge.

A. in

B. on

C. at

D. up

Câu 5: The leopard is _________ the threat of extinction.

A. in

B. on

C. under

D. below

Câu 6: The panda's ...... habitat is the bamboo forest.

A. nature

B. natural

C. naturalized

D. naturally