Câu hỏi: 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 1: here isn't much call for cars with large engines any more. 

A. No longer are cars bought by telephoning.

B. Not many people want to buy cars with large engines any more.

C. More and more people want to buy cars with large engines.

D. People didn't use to buy cars with large engines. 

Câu 2: .............., we couldn’t have continued with the project. 

A. Unless we had your contribution 

B. Provided your contribution wouldn’t come

C. Even if you didn’t like to contribute

D. If you hadn’t contributed positivel

Câu 3: She regretted to tell him that.............

A. she was leaving the tickets at home

B. the tickets at home would be left 

C. she would have left the tickets at home

D. she had left the tickets at home

Câu 4: 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 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 won't find a seat unless he's got a ticket. 

A. Because he has got a ticket already, he will find a seat. 

B. He can't find a seat although he has a ticket.

C. He will only get a seat if he has a ticket.

D. He will be able to get a ticket when he finds a seat.