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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

If he keeps on working so hard, he'll under the pressure of work.

Every day, my elder sister and I go to school with each other.

—Should we copy down all the words on the blackboard?

—Yes. Take out your pens and notebooks now.

The boy ran ________ fast ________ I couldn't catch up with him.

Great changes have taken place in Xiangyang .We are all ________ the achievements.

May I________ the discussion?

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