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

A. on

B. in

C. at

D. by

Câu 1: Yesterday, I was talking ______my doctor ______a mysterious epidemics near here.

A. with/ on

B. to/ about

C. to/ out of

D. with/ over

Câu 2: Mary doesn’t mind living ____________ her own.

A. with

B. by

C. on

D. at

Câu 3: I posted the letter today, so they should receive it .............Monday.

A. in

B. at

C. by

D. for

Câu 4: Are you aware ________the time?

A. with

B. of

C. at

D. about

Câu 5: We met a lot of people .............. our holiday.

A. for

B. during

C. with

D. of

Câu 6: We watched television ........... two hours last night.

A. for

B. during

C. on

D. in