Câu hỏi: 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 1: We benefit greatly ____________the medicines and other products that biodiversity provides.

A. from

B. without

C. for

D. at

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: Not all books belong _________this class.

A. in

B. to

C. for

D. at

Câu 4: This organization is quick __________ sending relief goods to the flooded areas.

A. at

B. as

C. up

D. by

Câu 5: Pay attention _______all traffic signs when you are travelling in the street.

A. for

B. on

C. to

D. from

Câu 6: When are you leaving __________ Singapore? This week or next week?

A. for

B. to

C. from

D. of