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: As the sun ------------ I decided to go out.

A. shines

B. has shone

C. shine

D. was shining

Câu 2: She is tired because she ------------- all day.

A. is studied

B.  has been studying 

C. had been studying

D. studied

Câu 3: -------------- study hard when you were at school?

A. Must you

B. Had you

C. Did you have to

D. Were you

Câu 4: While the waiter was picking up the broken plates, he ---------- his finger.

A. cut

B. was cutting

C. had cut

D. cuts

Câu 5: When the phone rang she ------------ a letter.

A. writes

B. willl write

C. has written

D. was writing

Câu 6: I------------- your uncle tomorrow, so I’ll give him your note.

A. have seen

B. shall have seen

C. see

D. am going to see