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

A. office

B. official

C. officer

D. officially

Câu 1: He couldn't go far because he was afraid of _____

A. to fly

B. flying

C. be flying

D. fly

Câu 2: They are looking forward _____ Tet holiday.

A. to have

B. having

C. to having

D. have

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

A. laugh

B. laughing

C. laughed

D. to laugh

Câu 4: This school _____ ten years ago.

A. be built

B. is built

C. was built

D. built

Câu 5: She can't stand _____ her at home all day.

A. seeing

B. see

C. to see

D. saw

Câu 6: He drives very _____ and has got two accidents this year.

A. careless

B. carefully

C. carelessly

D. careful