Câu hỏi: He suffers .......... headaches.

A. from

B. with

C. in

D. by

Câu 1: We are proud (at /in/on/of) our people's heroic tradition.

A. at

B. in

C. on

D. of

Câu 2: We are present (at/in/to/of) the lecture yesterday.

A. at

B. in

C. to

D. of

Câu 3: That singer has become very popular (at/with/to/of) the youth.

A. at

B. with

C. to

D. of

Câu 4: My father insisted (in/on/of/at) building a new house.

A. in

B. on

C. of

D. at

Câu 5: I'm not acquainted (at/in/with/of) those flowers.

A. at

B. in

C. with

D. of

Câu 6: Teachers are responsible (at/for/to/of) their teaching.

A. at

B. for

C. to

D. of