Câu hỏi: 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 1: A hydroelectric dam ______________ in this area now.

A. is building

B. is being built

C. build

D. was built

Câu 2: It is possible for local wildlife to coexist ...... industry.

A. to

B. of

C. in

D. with

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

A. who

B. whose

C. when

D. that

Câu 4: I threw my old trainers and bought some new .................. .

A. ones

B. one

C. some

D. any

Câu 5: The waste from the chemical factory is extremely .......

A. harm

B. harmful

C. unharmed

D. harmless

Câu 6: ……………fax transmission is commonly used in most offices.

A. A

B. An

C. The

D. x