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

A. have

B. will have

C. had

D. has had

Câu 1: The meeting was held …………Tuesday.

A. on

B. of

C. for

D. in

Câu 2: He ……. in the office at the moment.

A. has work

B. is working

C. has been working

D. works

Câu 3:  ….. you at home last night? 

A. Did

B. Were

C. Have

D. Are

Câu 4: You must be responsible …………. your study.

A. in

B. from

C. for

D. at

Câu 5:  She and I……… each other since we were at secondary school.

A. know

B. knew

C. have known

D. has known

Câu 6: Today is their golden wedding anniversary. They ….. married for 50 years.

A. have been

B. has been

C. was

D. will be