Câu hỏi: 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 1: The workers went on strikes because of they thought their wages were low.

A. on

B. because of

C. thought

D. were

Câu 2: There are much kinds of books in my school library,but readers cannot borrow them.

A. are

B. much

C. in

D. cannot

Câu 3: 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 4: 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 5: By the mid-nineteenth century, land was such expensive in large cities that architects began to conserve space by designing skyscrapers.

A. By the mid-nineteenth century

B. such expensive

C. conserve

D. by designing

Câu 6: Mother’s Day is the day when children show their love on their mother on.

A. Mother’s Day

B. the day

C. when

D. on