Câu hỏi: Are you interested in _____ football.

A. play

B. to play

C. playing

D. played

Câu 1: He went to a seaside resort because he was keen on _____.

A. windsurf

B. windsurfing

C. to windsurf

D. to windsurfing

Câu 2: We spent half a year _____ this hotel.

A. to build

B. built

C. building

D. with building

Câu 3: He used _____ next to me in class.

A. to sit

B. sit

C. to sitting

D. to sat

Câu 4: There is a _____ difference between the north and the south.

A. region

B. regional

C. regionally

D. regioner

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

A. watching

B. to watch

C. watch

D. watched

Câu 6: It's not worth _____ a tax home.

A. taking

B. to take

C. take

D. took