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

A. of

B. for

C. to

D. on

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

A. find

B. finding

C. to find

D. to finding

Câu 3: 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 4: Express Money Transfer is one of the quickest ways ……..help us to send money.

A. who

B. whose

C. when

D. that

Câu 5: It is possible for local wildlife to coexist ...... industry.

A. to

B. of

C. in

D. with

Câu 6: People are destroying the air by adding ...... to it.

A. pollutants

B. polluters

C. pollution

D. polluted