Câu hỏi: She has been living in the country________ the beginning of the summer.

A. for

B. at

C. during

D. since

Câu 1: Endangered species are plant and animal species which are ________ danger of extinction.

A. on

B. in

C. at

D. by

Câu 2: It was very kind_________ you to give up so much of time to help me.

A. about

B. for

C. to

D. of

Câu 3: The price of electricity is going up .......... October.

A. in

B. at

C. on

D. of

Câu 4: The bus was late this morning but it’s usually .............

A. for times

B. at times

C. on time

D. in time

Câu 5: Are you aware ________the time?

A. with

B. of

C. at

D. about

Câu 6: The flood was responsible __________ damaging the crop.

A. of

B. with

C. about

D. for