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

A. region

B. regional

C. regionally

D. regioner

Câu 1: English is the _____ language on one- fifth of the land area of the world.

A. office

B. official

C. officer

D. officially

Câu 2: We spent half a year _____ this hotel.

A. to build

B. built

C. building

D. with building

Câu 3: I can't help _____ at her mistake.

A. laugh

B. laughing

C. laughed

D. to laugh

Câu 4: They are looking forward _____ Tet holiday.

A. to have

B. having

C. to having

D. have

Câu 5: He looked at me_____.

A. angry

B. angrily

C. anger

D. angryly

Câu 6: A lot of trees _____ in the garden at the moment.

A. is grown

B. is being grown

C. are grown

D. are being grown