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题型：单选题题类：模拟题难易度：普通

Stop cutting trees, _______ the earth will become worse and worse.

A、and B、then C、because D、or

举一反三

Hurry up, ________you will miss the early bus.

______many people like to eat junk food, ______they should really eat more fruit and vegetables.

Jenny didn't go with me she was tired.

My mom always asks me not to stay up late ____I can keep in good health.

A snake bit him he went to see a doctor at once.

There is a break, a ten-minute break classes.

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