Câu hỏi: We have to apply effective measures to save many plant and animal species ........ extinction.

A. from

B. in

C. for

D. on

Câu 1: What do you often do ............ the evening?

A. on

B. at

C. for

D. in

Câu 2: Boys! Put your toys ............ It is time to go to bed. Don't stay ............. late.

A. off / on

B. away / up 

C. down / off

D. around / for

Câu 3: The gloves aren't very suitable .......... that kind of work.

A. for

B. with

C. about

D. to

Câu 4: I'm very grateful .......... her ......... help.

A. to / of

B. in / for

C. to / with

D. to / for

Câu 5: Don't you think you should try to be friendly ... your classmates?

A. to

B. of

C. with

D. by

Câu 6: She is looking ...... a new place to live because she does not want to depend ............ her parents any more.

A. for / on

B. after / with

C. up / forward

D. at / into