Câu hỏi: We benefit greatly ____________the medicines and other products that biodiversity provides.

A. from

B. without

C. for

D. at

Câu 1: What did that man die ________? –A heart attack.

A. by

B. of

C. with

D. to

Câu 2: Reviewers describe books _______ “hard-to-put-down”, or “hard-to-pick-up-again”.

A. as

B. for

C. into

D. in

Câu 3: When are you leaving __________ Singapore? This week or next week?

A. for

B. to

C. from

D. of

Câu 4: He worked hard ________ a mechanic for ten years before being appointed manager.

A. as

B. at

C. with

D. by

Câu 5: You should pay more attention __________ what your teacher explains.

A. in

B. at

C. on

D. to

Câu 6: She’s very old and can’t live alone. She needs someone to look _________ her.

A. up

B. for

C. after

D. through