Câu hỏi: We spent half a year _____ this hotel.

A. to build

B. built

C. building

D. with building

Câu 1: Are you interested in _____ football.

A. play

B. to play

C. playing

D. played

Câu 2: He went to a seaside resort because he was keen on _____.

A. windsurf

B. windsurfing

C. to windsurf

D. to windsurfing

Câu 3: English is the _____ language on one- fifth of the land area of the world.

A. office

B. official

C. officer

D. officially

Câu 4: He couldn't go far because he was afraid of _____

A. to fly

B. flying

C. be flying

D. fly

Câu 5: My friend is fond of _____ TV in the evening.

A. watching

B. to watch

C. watch

D. watched

Câu 6: I am not used _____ up early.

A. get

B. to get

C. getting

D. to getting