Câu hỏi: Today the number of people enjoying winter sports are almost double that of twenty years ago.

A. of

B. enjoying

C. are

D. that

Câu 1: In the end of the party, Mary found herself washing the dishes alone again, as usual.

A. In the end of

B. herself

C. washing

D. as usual

Câu 2: 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 3: 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

Câu 4: He said that he has done his homework since 7 o'clock.

A. said

B. has done

C. homework

D. since

Câu 5: Would you mind showing me how working the lift?

A. mind

B. showing

C. how

D. working

Câu 6: She has disappeared three days ago, and they are still looking for her now.

A. has disappeared

B. and

C. are still

D. for her