Câu hỏi: Braille _________ a system of raised dots that can be read with the fingers by people who are blind.

A. am

B. be

C. is

D. are

Câu 1: He sometimes ____________ sports with friends.

A. play

B. plays

C. played

D. playing

Câu 2: Mark prefers cycling ________ driving

A. than

B. for

C. to

D. as

Câu 3: What _________ computer a miraculous device?

A. makes

B. make

C. making

D. to make

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

A. going

B. to go

C. go

D. went

Câu 5: She had worked as a tourist guide before __________ a teaching career.

A. starting

B. start

C. to start

D. started

Câu 6: Neil has passed his examinations, _________ is good news.

A. which

B. that

C. when

D. who