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

A. to sit

B. sit

C. to sitting

D. to sat

Câu 1: There is a _____ difference between the north and the south.

A. region

B. regional

C. regionally

D. regioner

Câu 2: Would you like _____ to my party?

A. come

B. to come

C. coming

D. came

Câu 3: He went to a seaside resort because he was keen on _____.

A. windsurf

B. windsurfing

C. to windsurf

D. to windsurfing

Câu 4: I am not used _____ up early.

A. get

B. to get

C. getting

D. to getting

Câu 5: She can't stand _____ her at home all day.

A. seeing

B. see

C. to see

D. saw

Câu 6: English is the _____ language on one- fifth of the land area of the world.

A. office

B. official

C. officer

D. officially