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

A. was invented

B. is invented

C. has been invented

D. invented

Câu 1: To my ………., John is very good at Vietnamese.

A. amazing

B. amazed

C. amaze

D. amazement

Câu 2:  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 3: The film seemed …….... forever, but at last it was over.

A. to go on

B. going on

C. go on

D. went on

Câu 4:  I ……… a taxi so I came on the bus.

A. couldn’t find

B. don’t find

C. haven’t found

D. I have found

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: ……… I was a child, I used to play football.

A. As soon as

B. While

C. When

D. If