Câu hỏi: Alex did not do very well in class............ 

A. therefore he was a good student

B. because he failed to study properly

C. although he was not hard-working

D. as long as he had studied badly

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: I’m very interested..............

A. with the information you gave it to me

B. in the information you gave me 

C. about the information you gave it to me 

D. about the information you gave me

Câu 3:                      , 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 4: 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 5: 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 6: 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