Câu hỏi: They held a party to congratulate _______ their son’s success to become an engineer.

A. on

B. in

C. to

D. up

Câu 1: He didn’t even have the intelligence to call _________ an ambulance.

A. to

B. for

C. by

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

A. from

B. without

C. for

D. at

Câu 4: What did that man die ________? –A heart attack.

A. by

B. of

C. with

D. to

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

A. as

B. at

C. with

D. by

Câu 6: Where is Jimmy? – He is ________ work. He is busy _________ his monthly report.

A. at/ with

B. at/ at

C. at/ to

D. on/ with