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

A. by

B. of

C. with

D. to

Câu 1: It is important to have someone that you can confide ________.

A. up

B. in

C. at

D. with

Câu 2: Governments have enacted laws to protect wildlife ________commercial trade and overhunting.

A. from

B. without

C. for

D. at

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

A. for

B. to

C. from

D. of

Câu 4: Do you know anyone who might be interested _________buying an old car?

A. on

B. in

C. with

D. about

Câu 5: Plant and animal extinction leads _________ loss of biodiversity.

A. on

B. in

C. into

D. to

Câu 6: You should pay more attention __________ what your teacher explains.

A. in

B. at

C. on

D. to