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: The US, that is one of the most powerful countries, decided to declare a war to Iraq.

A. that

B. powerful

C. decided

D. a war to

Câu 2: Would you mind showing me how working the lift?

A. mind

B. showing

C. how

D. working

Câu 3: 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 4: If I had enough money, I would have travelled around the world.

A. enough

B. would have travelled

C. the

D. world

Câu 5: 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 6: His health gets good and better because he does gymnastics regularly.

A. good

B. because

C. does

D. regularly