Câu hỏi: Mary always take good care__________ her children.

A. off

B. of

C. by

D. with

Câu 1: She always takes good care _______ her children.

A. for

B. in

C. of

D. with

Câu 2: Smoking is harmful _____________ our health.

A. to

B. by

C. against

D. with

Câu 3: 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 4: How would the body react__________ the extreme changes in temperature?

A. by

B. to

C. with

D. about

Câu 5: If you look __________ the book, you can find what you need.

A. through 

B. up

C. after

D. by

Câu 6: Why don't you ask_____________ a pay increase?

A. for

B. by

C. to

D. with