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题型：单选题题类：常考题难易度：普通

初中英语牛津版（深圳·广州）七年级下册Module 3 Natural elements Unit 5 Water同步练习

We should the used water clean before it goes back into the sea.

A、keep B、make C、become

举一反三

What did he ______ here?

— Who the first practical light bulb?

— Thomas Edison.

It's cold outside. Please ________your coat.

—I'm sorry, Mr. Black. I my physics homework at home.

—Don't forget it to school tomorrow.

— There is no drink in the fridge. Will you go and some for the party, Mary?

— OK, Mum.

The greenhouse effect may cause the level of the sea _____________.

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