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题型：单选题题类：常考题难易度：普通

外研版英语九年级上Module 7 Unit 3 Language in use同步练习

— The air is full of smoke and people are coughing.

— It will get worse ________the government does something about the pollution.

A、but B、unless C、except D、if

举一反三

Our dreams won't come true __________ we know what our dreams are.

I'm waiting for my friend. If he _______, I will go swimming alone.

More historical buildings in the old town will fall down ________we try our best to protect them.

I won't go to the meeting ________ I'm invited.

If you go to his party tomorrow,

— Mrs. Li, will you be angry your students don't obey the rules in class?

— A little. But I will stop them in a friendly way.

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