Câu hỏi: Scientists say forests are being destroyed by air pollution. 

A. Scientists are blamed for destroying forests.

B. Scientists blame air pollution for the destruction of forests.

C. Forests are said to destroy air pollution.

D. According to scientists, there's much air pollution in the forests. 

Câu 1: It is essential................

A. that everyone to know what to do when there is a fire

B. for everyone who knows what to do in the event of fire 

C. that everyone know what to do when there is a fire 

D. for everyone knowing what to do in the event of fire 

Câu 2: Geometry is a branch of mathematics .................the properties of lines, curves, shapes, and surfaces.

A. it is concerned with

B. which concern 

C. concern with 

D. that is concerned with

Câu 3: Those boys took a long ladder............

A. so they will get the ball from the roof

B. and then get the ball from the roof 

C. in order to get the ball from the roof

D. so that the ball from the roof

Câu 4: The more you talk about the situation,....................... 

A. it seems the worse

B. the worse it seems 

C. it seems worse

D. he worse does it seem 

Câu 5: The earlier she leaves,...........

A. the sooner she will arrive

B. the soonest she will arrive

C. she will arrive sooner

D. she will soon arrive 

Câu 6: .............., we couldn’t have continued with the project. 

A. Unless we had your contribution 

B. Provided your contribution wouldn’t come

C. Even if you didn’t like to contribute

D. If you hadn’t contributed positivel