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: 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: 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: 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 4: 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 5: The instructions from air traffic control were not fully explicit, and......................

A. so that the pilot made an error and crashed

B. as a result, the pilot made an error and crashed 

C. therefore the pilot made it crash 

D. resulting from the pilot crashing the plane 

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