Câu hỏi: Mary always take good care__________ her children.

A. off

B. of

C. by

D. with

Câu 1: She was very upset ________ the news of her father’s death.

A. at

B. by

C. with

D. about

Câu 2: Our study is very important____________ our future and useful_____________ our country.

A. for/ for

B. to/ to

C. for/ to

D. to/ for

Câu 3: Many of the stories are based______________ rumor.

A. on

B. by

C. to

D. with

Câu 4: China became the third country in the world to be able to independently carry __________ manned space flights.

A. by

B. up

C. on

D. out

Câu 5: Ed depends ________ his family for financial support.

A. on

B. in

C. of

D. at

Câu 6: A sign warned motorists ______ dangers.

A. of

B. for

C. about

D. a and c