Câu hỏi: How long ……. you studied here?

A. are

B. did

C. do

D. have

Câu 1: ………. both of you ready for the test?

A. is

B. are

C. have

D. do

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

A. in

B. from

C. for

D. at

Câu 3: Today is their golden wedding anniversary. They ….. married for 50 years.

A. have been

B. has been

C. was

D. will be

Câu 4:  She and I……… each other since we were at secondary school.

A. know

B. knew

C. have known

D. has known

Câu 5: She is interested …….. making money.

A. of

B. at

C. in

D. by

Câu 6: After our guests ………, we sat down to dinner.

A. arrived

B. arrive

C. were arriving

D. have arrived