Câu hỏi: Air pollution, together with littering, are causing many problems in our large, industrial cities today.

A. with

B. are

C. many

D. in our large

Câu 1: Would you mind showing me how working the lift?

A. mind

B. showing

C. how

D. working

Câu 2: If I had enough money, I would have travelled around the world.

A. enough

B. would have travelled

C. the

D. world

Câu 3: Bells told people of happy events, such as weddings and born or, sometimes had to announce unpleasant events such as a death

A. born

B. had to

C. unpleasant

D. events

Câu 4: Everyday in summer, but especially at the weekends, all kinds of vehicles bring crowds of people to enjoy the various attraction.

A. especially at

B. bring

C. crowds of people

D. various attraction

Câu 5: Many teachers have devoted their lives to teaching therefore teaching is not a well-paid job.

A. devoted

B. lives

C. teaching

D. therefore

Câu 6: She has disappeared three days ago, and they are still looking for her now.

A. has disappeared

B. and

C. are still

D. for her