Câu hỏi:  ….. you at home last night? 

A. Did

B. Were

C. Have

D. Are

Câu 1:  She and I……… each other since we were at secondary school.

A. know

B. knew

C. have known

D. has known

Câu 2: You must be responsible …………. your study.

A. in

B. from

C. for

D. at

Câu 3: After our guests ………, we sat down to dinner.

A. arrived

B. arrive

C. were arriving

D. have arrived

Câu 4: She ……… here since I came here.

A. lives

B. lived

C. is living

D. has lived

Câu 5: He ……. in the office at the moment.

A. has work

B. is working

C. has been working

D. works

Câu 6:  We …… a lot important inventions in the future.

A. have

B. will have

C. had

D. has had