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

A. to wait

B. waiting

C. wait

D. waited

Câu 3: He looks _____ today than yesterday.

A. good

B. well

C. better

D. goodly

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

A. seeing

B. see

C. to see

D. saw

Câu 6: I can't remember the name of the man _____ I gave the money.

A. who

B. whom

C. whose

D. which