Câu hỏi: He said that he has done his homework since 7 o'clock.

A. said

B. has done

C. homework

D. since

Câu 1: 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 2: We are going to visit our grandparents when we will finish our final exams.

A. are going to

B. our

C. when

D. will

Câu 3: 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 4: Minh Hanh, who is one of the most famous fashion designers in Vietnam, are preparing for a new show.

A. who

B. the most

C. fashion-designers

D. are

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: Bells told people of happy events, such as weddings and born or, sometimes had to announce unpleasant events such as a death

A. born

B. had to

C. unpleasant

D. events