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题型：单选题题类：模拟题难易度：容易

Now the air in our city is _______ than it used to be. Something must be done to stop it.

A、very good B、much better C、rather bad D、even worse

举一反三

— Tom, why not stop _________ a rest?

— Oh, no, mum. It's so interesting that I can't stop _________ the kite.

—You must advise him _________anything out of the window while driving.

—I will. He has to know it's dangerous.

My cousin volunteers in the Children's Home. His job is to food and clothes.

These are plastic bags. Don't _______________.

— ______ the heavy rain, we didn't go camping last Sunday.

—What a pity!

My father has ______Bangkok twice.

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