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

A. surprised - frightening

B. surprised - frightened

C. surprising - frightening

D. surprising – frightened

Câu 1: The waste from the chemical factory is extremely .......

A. harm

B. harmful

C. unharmed

D. harmless

Câu 2: 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 3: Deforestation _________ destroying Earth’s plant and animal variety.

A. are

B. be

C. is

D. being

Câu 4: What about ___________ the solution together this afternoon?

A. find

B. finding

C. to find

D. to finding

Câu 5: The campaign will hopefully ensure the survival ...... the tiger.

A. of

B. for

C. to

D. on

Câu 6: The ...... friendly products are designed not to harm the natural environment.

A. environment

B. environmental

C. environmentally

D. environmentalism