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

A. harm

B. harmful

C. unharmed

D. harmless

Câu 1: The two children blamed each other ...... the window.

A. to break

B. breaking

C. for breaking

D. having broken

Câu 2: People are destroying the air by adding ...... to it.

A. pollutants

B. polluters

C. pollution

D. polluted

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

A. for

B. by

C. in

D. with

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

A. in

B. with

C. by

D. over