Câu hỏi: Don’t you know what happened _________ the people who went on holiday with us?

A. about

B. to

C. by

D. at

Câu 1: She prefers carnations __________roses. In fact, she dislikes roses.

A. to

B. about

C. or

D. with

Câu 2: When you pick _________a book for the first time, check that it is not too difficult.

A. in

B. since

C. on

D. up

Câu 3: He worked hard ________ a mechanic for ten years before being appointed manager.

A. as

B. at

C. with

D. by

Câu 4: When are you leaving __________ Singapore? This week or next week?

A. for

B. to

C. from

D. of

Câu 5: Maintaining biodiversity is important _______ us in many ways.

A. in

B. for

C. from

D. by

Câu 6: Do you know anyone who might be interested _________buying an old car?

A. on

B. in

C. with

D. about