Câu hỏi:  They found it is impossible ……… their problems.

A. solve

B. to solve

C. solved

D. solving

Câu 1: She does not know what to do when her parents …….. a complaint to her.

A. make

B. give

C. keep

D. tell

Câu 2: To my ………., John is very good at Vietnamese.

A. amazing

B. amazed

C. amaze

D. amazement

Câu 3:  If we ……... have computer, our lives ………. boring.

A. don’t/ will be

B. won’t have/ are

C. didn’t/ would

D. wouldn’t/ were

Câu 4: She………… while I was cooking.

A. was phoning

B. will phone

C. phones

D. phoned

Câu 5: All students at Tay Bac university ……… uniforms on Monday.

A. are asked to wear

B. ask to wear

C. asked to wear

D. to asked wearing

Câu 6: Chewing gum ………… in Sweden in 1993.

A. was invented

B. is invented

C. has been invented

D. invented