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

A. starting

B. start

C. to start

D. started

Câu 1: Mark prefers cycling ________ driving

A. than

B. for

C. to

D. as

Câu 2: What _________ computer a miraculous device?

A. makes

B. make

C. making

D. to make

Câu 3: Another man-made satellite has _______ up into space.

A. sent

B. be sent

C. been sent

D. sending

Câu 4: Digital cameras is a wonderful ___________.

A. invent

B. invention

C. invented

D. inventing

Câu 5: I prefer ___________ abroad to travelling within the country.

A. going

B. to go

C. go

D. went

Câu 6: 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