Câu hỏi: She had worked as a tourist guide before __________ a teaching career.

A. starting

B. start

C. to start

D. started

Câu 1: She noticed a marked _______ in the children on her second visit.

A. differ

B. difference

C. different

D. differently

Câu 2: If I __________a lot of money now, I ______________a new car.

A. have /will buy

B. have / would buy

C. had/ will buy

D. had/ would buy

Câu 3: The books ___________ have been read by the students should be put on the shelf.

A. who

B. whose

C. that

D. what

Câu 4: I prefer ___________ abroad to travelling within the country.

A. going

B. to go

C. go

D. went

Câu 5: Digital cameras is a wonderful ___________.

A. invent

B. invention

C. invented

D. inventing

Câu 6: Our children _______to school by bus every morning.

A. take

B. are taken

C. have taken

D. are taking