All of us find ______ necessary to take exercise every day.

A. this B. that C. it D. them

----Let’s go to the West Hill Park by taxi.

----Oh, it is not far away from here. We _____ take a taxi.

A. couldn’t B. mustn’t C. needn’t D. can’t

Recycling is good, so don't ______ bottles or newspapers.

A. find out B. hand in C. use up D. throw away

Your pocket money must ______.

A. put to good use B. be put to good use

C. putting to good use D. be put to well use

Stop making so much noise. It is _____ to the sleeping children.

A. comfortable B. relaxed C. harmful D. useful

We are glad to hear that the Greens _____ to a new flat next week.

A. move B. moved C. will move D. have moved

Don’t throw away the waste paper. It needs _____ so that it can be reused.

A. to destroy B. destroying C. to collect D. collecting

If there is _____ pollution, the air in our city will be _____ dirtier.

A. less, more B. more, much C. less, less D. more, more

----Are you the last one to go to school today ?

----_____ not. I’m always the first one.

A. Certainly B. Usually C. Generally D. Finally

----Many people are wondering _____ in the forest.

----It’s reported that a burning cigarette bar caused it.

A. when the fire happened B. how was the fire caused

C. what cused the fire D. why did the fire happen