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: Reviewers describe books _______ “hard-to-put-down”, or “hard-to-pick-up-again”.

A. as

B. for

C. into

D. in

Câu 2: Not all books belong _________this class.

A. in

B. to

C. for

D. at

Câu 3: Pay attention _______all traffic signs when you are travelling in the street.

A. for

B. on

C. to

D. from

Câu 4: It is important to have someone that you can confide ________.

A. up

B. in

C. at

D. with

Câu 5: She prefers carnations __________roses. In fact, she dislikes roses.

A. to

B. about

C. or

D. with

Câu 6: Toxic chemicals in the air and land have also driven many species ______ the verge of extinction.

A. of

B. about

C. at

D. to