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

A. find

B. finding

C. to find

D. to finding

Câu 1: It is possible for local wildlife to coexist ...... industry.

A. to

B. of

C. in

D. with

Câu 2: The waste from the chemical factory is extremely .......

A. harm

B. harmful

C. unharmed

D. harmless

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

A. save

B. to save

C. saving

D. saved

Câu 4: I would like to send these letters …………………..air mail.

A. in

B. with

C. by

D. over

Câu 5: Express Money Transfer is one of the quickest ways ……..help us to send money.

A. who

B. whose

C. when

D. that

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

A. pollutants

B. polluters

C. pollution

D. polluted