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

A. to

B. for

C. by

D. with

Câu 1: You should pay more attention __________ what your teacher explains.

A. in

B. at

C. on

D. to

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

A. up

B. in

C. at

D. with

Câu 3: His father used the money he won to set_________ his own company.

A. down

B. up

C. at

D. in

Câu 4: Reviewers describe books _______ “hard-to-put-down”, or “hard-to-pick-up-again”.

A. as

B. for

C. into

D. in

Câu 5: Toxic chemicals in the air and land have also driven many species ______ the verge of extinction.

A. of

B. about

C. at

D. to

Câu 6: Not all books belong _________this class.

A. in

B. to

C. for

D. at