Câu hỏi: I threw my old trainers and bought some new .................. .

A. ones

B. one

C. some

D. any

Câu 1: After she ________ hospital, she had a long holiday.

A. leaves

B. is leaving

C. had left

D. has left

Câu 2: Deforestation _________ destroying Earth’s plant and animal variety.

A. are

B. be

C. is

D. being

Câu 3: What about ___________ the solution together this afternoon?

A. find

B. finding

C. to find

D. to finding

Câu 4: Could you please provide us ……………..some more modern equipment?

A. for

B. by

C. in

D. with

Câu 5: I would like to send these letters …………………..air mail.

A. in

B. with

C. by

D. over

Câu 6: The leopard is _________ the threat of extinction.

A. in

B. on

C. under

D. below