Câu hỏi: He has a great deal of books most of which are on science and technology.

A. a great deal of

B. most of

C. which

D. are on

Câu 1: His health gets good and better because he does gymnastics regularly.

A. good

B. because

C. does

D. regularly

Câu 2: Dresses, skirts, shoes and children’s clothing are advertised at great reduced prices this week.

A. children’s clothing

B. are advertised

C. at

D. great

Câu 3: Instead of calling off the meeting, maybe we can just put it over until next month.

A. calling off

B. can

C. put it over

D. next month

Câu 4: The workers went on strikes because of they thought their wages were low.

A. on

B. because of

C. thought

D. were

Câu 5: The US, that is one of the most powerful countries, decided to declare a war to Iraq.

A. that

B. powerful

C. decided

D. a war to

Câu 6: Many teachers have devoted their lives to teaching therefore teaching is not a well-paid job.

A. devoted

B. lives

C. teaching

D. therefore