Câu hỏi: I think your mother should let you make___________ your own mind.

A. down

B. to

C. up

D. of

Câu 1: The pens made___________ plastic are very cheap.

A. by

B. with

C. of

D. to

Câu 2: Was your friend successful ___________ getting a loanfrom the bank?

A. in

B. by

C. with

D. about

Câu 3: If you look __________ the book, you can find what you need.

A. through 

B. up

C. after

D. by

Câu 4: He insisted ______ taking us dinner.

A. on

B. in

C. over

D. of

Câu 5: A sign warned motorists ______ dangers.

A. of

B. for

C. about

D. a and c

Câu 6: Mary always take good care__________ her children.

A. off

B. of

C. by

D. with