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

A. was watching/ listening

B. watched/ listened

C. was watching/ was listening

D. watching/ listening

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

A. region

B. regional

C. regionally

D. regioner

Câu 2: She can't stand _____ her at home all day.

A. seeing

B. see

C. to see

D. saw

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: Your car is different _____ mine.

A. to

B. in

C. from

D. for

Câu 5: We spent half a year _____ this hotel.

A. to build

B. built

C. building

D. with building

Câu 6: He couldn't go far because he was afraid of _____

A. to fly

B. flying

C. be flying

D. fly