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

A. find

B. finding

C. to find

D. to finding

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

A. save

B. to save

C. saving

D. saved

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

A. pollutants

B. polluters

C. pollution

D. polluted

Câu 4: The ...... friendly products are designed not to harm the natural environment.

A. environment

B. environmental

C. environmentally

D. environmentalism

Câu 5: The two children blamed each other ...... the window.

A. to break

B. breaking

C. for breaking

D. having broken

Câu 6: I threw my old trainers and bought some new .................. .

A. ones

B. one

C. some

D. any