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题型：单选题题类：真题难易度：容易

You must make sure your tea is not too hot ______ you drink it.

A、before B、after C、since D、while

举一反三

they were tired, none of them wanted to have a rest.

Mike is late，but we must wait he comes．

— To achieve a bright future, we should _____ study hard _____ keep in good health.

—I agree with you.

I couldn't believe the take away man can remember so many classical poems _____I saw him on TV.

I like doing sports listening to pop music.

The elephant is ___________ big ___________ go through the door.

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