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

A. are

B. much

C. in

D. cannot

Câu 2: Air pollution, together with littering, are causing many problems in our large, industrial cities today.

A. with

B. are

C. many

D. in our large

Câu 3: Anna Robertson Moses, who was also known as Grand Moses, is considered one of the greatest female artist of US. Art.

A. who was

B. known as

C. is considered

D. female artist

Câu 4: 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

Câu 5: The workers went on strikes because of they thought their wages were low.

A. on

B. because of

C. thought

D. were

Câu 6: The threat of being dismissed do not worry me any more because I have started my own business.

A. The

B. being dismissed

C. do not worry

D. my own business