Câu hỏi: When she was 21 she -------------- across the United States.

A.  drove

B. drive

C. driven

D. was driving

Câu 1: He often ------------ so nervous before his exams.

A. feels

B. felt

C. was feeling

D. had felt

Câu 2: “How many pages…………… so far?"

A. have you studied

B. did you study

C. do you study

D. had you studied

Câu 3: “What a lovely boat!” “I ……………half a year building this boat.”

A. spend

B. spent

C. spending

D. have spent

Câu 4: He ----------

A. will be here soon

B. will here be soon

C. will be soon here

D.  be soon will here

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

A. had passed

B. pass

C. passed

D. passing

Câu 6: 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