Câu hỏi:                      , 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 1: .............., 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 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: 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 4: 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 5: Recent evidence makes it possible for the investigators to conclude that .................

A. some paintings by Rembrandt were faked 

B. some paintings by Rembrandt must be faked 

C. Rembrandt was attributed to some paintings 

D. some paintings by Rembrandt to be faked

Câu 6: We’ll be late for the meeting...........

A. unless we hurry up

B. if we are in a hurry 

C. unless we will hurry up

D. when we are in a hurry