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

A. to

B. for

C. by

D. with

Câu 1: Where is Jimmy? – He is ________ work. He is busy _________ his monthly report.

A. at/ with

B. at/ at

C. at/ to

D. on/ with

Câu 2: It is important to have someone that you can confide ________.

A. up

B. in

C. at

D. with

Câu 3: Maintaining biodiversity is important _______ us in many ways.

A. in

B. for

C. from

D. by

Câu 4: We benefit greatly ____________the medicines and other products that biodiversity provides.

A. from

B. without

C. for

D. at

Câu 5: This organization is quick __________ sending relief goods to the flooded areas.

A. at

B. as

C. up

D. by

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