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: Peter is......... at the moment. 

A. telling to Jane to do it

B. saying Jane what to do it

C. showing Jane how to do it

D. advising Jane do it

Câu 2: There were two small rooms in the beach house,                     served as a kitchen.

A. the smallest of which

B. smallest of that 

C. the smaller of which

D. the smaller of them

Câu 3: .............., 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

Câu 4: In bacteria and other organisms, ............

A. it is the DNA that provides the genetic information

B. which is the DNA that provides the genes

C. the DNA providing the genetic information

D. the DNA that provides the genetic information 

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: ............., he wouldn’t have missed the train

A. If he listened to me

B. Unless she had listened to me

C. If he had listened to me

D. If he didn’t listen