Câu hỏi: He often ------------ so nervous before his exams.

A. feels

B. felt

C. was feeling

D. had felt

Câu 1: “What a lovely boat!” “I ……………half a year building this boat.”

A. spend

B. spent

C. spending

D. have spent

Câu 2: 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 3:  How long have you ------------- he was a liar.

A. been knowing

B. knew

C. know

D. known

Câu 4: My daughter ------------- university last June.

A. left

B. has left

C. leaves

D. was leaving

Câu 5: While the waiter was picking up the broken plates, he ---------- his finger.

A. cut

B. was cutting

C. had cut

D. cuts

Câu 6: She is tired because she ------------- all day.

A. is studied

B.  has been studying 

C. had been studying

D. studied