Câu hỏi: 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 1: It takes him thirty minutes to go ...........every day. 

A. working by a bus 

B. working on bus

C. to work with bus

D. to work by bus

Câu 2:                      , 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

Câu 3: 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 4: Having been delayed by heavy traffic,           

A. it was difficult for her to arrive on time

B. her being late was intolerable

C. it was impossible for her to arrive on time

D. she was unable to arrive on time

Câu 5: 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 6: Nam studies hard ..........

A. in order to passing the exam

B. so that he will pass the exam

C. in order pass the exam

D. so as that he will pass the exam