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: The robbers attacked the owner of the house            

A. so that they would appear with the expensive painting

B. and disappeared with the expensive painting

C. but they appeared with the expensive painting

D. so they disappeared with the expensive painting 

Câu 2: 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 3: 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 4: She regretfully told him that,                  

A. she has come to the party

B. she won't come to the party

C. she hadn't come to the party

D. she has to go to the party 

Câu 5: 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 

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