Câu hỏi: When I got to the office, I ----------- that I had forgot to lock the door.

A. realized

B. had realized

C. realize

D. have realized

Câu 1:  I’m sorry. I don’t understand what -----------------.

A. you say

B. you're saying

C. you will say

D. you would say

Câu 2: When the phone rang she ------------ a letter.

A. writes

B. willl write

C. has written

D. was writing

Câu 3: He ----------

A. will be here soon

B. will here be soon

C. will be soon here

D.  be soon will here

Câu 4: “How many pages…………… so far?"

A. have you studied

B. did you study

C. do you study

D. had you studied

Câu 5:  After he ------------ his driving test he bought a car.

A. had passed

B. pass

C. passed

D. passing

Câu 6: -------------- study hard when you were at school?

A. Must you

B. Had you

C. Did you have to

D. Were you