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

A. by

B. of

C. with

D. to

Câu 1: A beautiful clock was given _________ her by a handsome boy.

A. down

B. up

C. to

D. with

Câu 2: Plant and animal extinction leads _________ loss of biodiversity.

A. on

B. in

C. into

D. to

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

A. for

B. to

C. from

D. of

Câu 4: 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 5: He worked hard ________ a mechanic for ten years before being appointed manager.

A. as

B. at

C. with

D. by

Câu 6: We benefit greatly ____________the medicines and other products that biodiversity provides.

A. from

B. without

C. for

D. at