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: The film _______ by the time we ________ to the cinema.

A. already began - got

B. have already begun - got

C. had already begun - got

D. already began - had got

Câu 2: The ...... friendly products are designed not to harm the natural environment.

A. environment

B. environmental

C. environmentally

D. environmentalism

Câu 3: People are destroying the air by adding ...... to it.

A. pollutants

B. polluters

C. pollution

D. polluted

Câu 4: Let’s _________ water by turning off tapes when not using.

A. save

B. to save

C. saving

D. saved

Câu 5: What about ___________ the solution together this afternoon?

A. find

B. finding

C. to find

D. to finding

Câu 6: I was ...... to find that the film was quite ……

A. surprised - frightening

B. surprised - frightened

C. surprising - frightening

D. surprising – frightened