Câu hỏi: 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 1: When the film finishes, ............

A. will we have to leave

B. we have left 

C. we had to leave

D. we will have to leave 

Câu 2: 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 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 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 5: He agreed to sign the contact                   

A. so he didn’t know much about that company

B. because he didn’t know much about that company’s director

C. although he didn’t know much about that company

D. in spite he knew much about it

Câu 6:                      , he was determined to continue to climb up the mountain. 

A. He felt very tired though

B. As he might feel tired

C. Tired as it was

D. Tired as he might feel