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

A. region

B. regional

C. regionally

D. regioner

Câu 3: While I was swimming yesterday afternoon, someone else _____ my clothes.

A. stealed

B. was stealing

C. was stolen

D. stole

Câu 4: English is the _____ language on one- fifth of the land area of the world.

A. office

B. official

C. officer

D. officially

Câu 5: He drives very _____ and has got two accidents this year.

A. careless

B. carefully

C. carelessly

D. careful

Câu 6: While I _____ TV, my sister _____ to music.

A. was watching/ listening

B. watched/ listened

C. was watching/ was listening

D. watching/ listening