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题型：单选题题类：常考题难易度：容易

外研（新标准）版七年级英语下册Module 3 Making plans Unit 2 We're going to cheer the players.同步练习

Tom often helps his mother ______ housework.

A、in B、with C、cleaned D、is cleaning

举一反三

He used to cut down many trees, but now he has to it.

Many people worry that air pollution might____ changes in the weather around the world.

If Tom carries on working like this, he will sooner or later.

If we Chinese work hard together, China Dream will ________.

用适当的介词填空。

I'm sure you'll choose the answer correctly and tick it out.

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