Câu hỏi: The campaign will hopefully ensure the survival ...... the tiger.

A. of

B. for

C. to

D. on

Câu 1: The panda's ...... habitat is the bamboo forest.

A. nature

B. natural

C. naturalized

D. naturally

Câu 2: She glanced briefly ________ his lapel badge.

A. in

B. on

C. at

D. up

Câu 3: Could you please provide us ……………..some more modern equipment?

A. for

B. by

C. in

D. with

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

A. to break

B. breaking

C. for breaking

D. having broken

Câu 6: I threw my old trainers and bought some new .................. .

A. ones

B. one

C. some

D. any