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题型：单选题题类：常考题难易度：普通

外研版2019-2020学年初中英语九年级上册Revision module B期末复习语法专题

Milk quickly goes bad ______________ it's put in the fridge.

A、if B、unless C、whether D、until

举一反三

Walk along this road you reach the end. You'll find the book shop on the right.

It is rainy today，______ kids cannot play outside.

— Doctor, I've got a headache.

— Don't worry. Just take some medicine, _______ you'll be OK again.

They didn't arrive at the cinema on time ____ the heavy rain.

I will take a plane to Hainan_________ I can't get a train ticket.

Don't always waste time on video games, _________ you'll fail the exam again.

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