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

A. was invented

B. is invented

C. has been invented

D. invented

Câu 1: The film seemed …….... forever, but at last it was over.

A. to go on

B. going on

C. go on

D. went on

Câu 2:  “The Wall” ….. when all the members were students.

A. founded

B. was founded

C. has been founded

D. have been founded

Câu 3: ………. more about her, you would change your opinion.

A. If you know

B. If you did know

C. If you knew

D. If did you know

Câu 4:  They found it is impossible ……… their problems.

A. solve

B. to solve

C. solved

D. solving

Câu 5: I was late because I ……… the bus.

A. left

B. lost

C. missed

D. forgot

Câu 6: She does not know what to do when her parents …….. a complaint to her.

A. make

B. give

C. keep

D. tell