Câu hỏi: When I bought the house, my sister helped me_________ with a loan.

A. out

B. in

C. by

D. to

Câu 1: This area is rich _________ oil.

A. by

B. to

C. at

D. in

Câu 2: The local people are very hospitable___________ strangers.

A. to

B. for

C. with

D. about

Câu 3: Why were you absent ____________ class this morning?

A. for

B. with

C. by

D. from

Câu 4: He is retired. He lives________________ his pension.

A. by

B. on

C. with

D. to

Câu 5: He’s getting bored_____________ learning_____________ heart.

A. with/ by

B. with/ with

C. by/ by

D. about/ by

Câu 6: The teacher tried to explain the new formula ______________ his students.

A. to

B. for

C. with

D. by