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

A. on

B. in

C. at

D. by

Câu 1: We traveled overnight to London and arrived ............ 4 o’clock ........... the morning.

A. at - on

B. in - at

C. at - in

D. in - on

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: He may be quick ________understanding, but he is not capable _____ remembering anything.

A. at/ for

B. of/ for

C. at/ of

D. in/ of

Câu 4: I posted the letter today, so they should receive it .............Monday.

A. in

B. at

C. by

D. for

Câu 5: I must hurry. I want to get home ............. to see the football match on TV.

A. on time

B. in time

C. by time

D. at time

Câu 6: Are you getting __________well at college?

A. in

B. over

C. off

D. on