Câu hỏi: My sister likes _____ and _____.

A. dance/ sing

B. to dance/ sings

C. dancing/ singing

D. dancing/ to sing

Câu 1: I can't help _____ at her mistake.

A. laugh

B. laughing

C. laughed

D. to laugh

Câu 2: He couldn't stand _____ for her so long.

A. to wait

B. waiting

C. wait

D. waited

Câu 3: Are you interested in _____ football.

A. play

B. to play

C. playing

D. played

Câu 4: He went to a seaside resort because he was keen on _____.

A. windsurf

B. windsurfing

C. to windsurf

D. to windsurfing

Câu 5: English is the _____ language on one- fifth of the land area of the world.

A. office

B. official

C. officer

D. officially

Câu 6: I am not used _____ up early.

A. get

B. to get

C. getting

D. to getting