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题型：单选题题类：常考题难易度：普通

仁爱科普版九年级上Unit 4 Amazing Science Topic 1 When was it invented?同步练习1

In recent years more and more inventions in many fields.

A、come true B、come up C、come about D、come on

举一反三

——Who has kept the water _____? ——Oh, I forget ______.

- Why are you walking to school, Miss Lin?

- Because my car broke down on the way.

As middle school students， we should ______ to protecting our school environment.

—Oh, Bob! Look at your room. There are books everywhere.

—Sorry, Mum. I will at once.

The teacher told us not to spend _____ time playing games.

—Daming is ____ going to England.

—Yes. He'll meet his pen friend Tony there.

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