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题型：单选题题类：常考题难易度：普通

北师大版初中英语八年级上册Unit 1 Lesson 1同步练习

Go to see a doctor ________ you are ill.

A、but B、if C、and D、or

举一反三

Stop cutting trees, _______ the earth will become worse and worse.

The woman works in the hospital she isn't a nurse.

Mom won't let Dick go out ________ he promises to be back by 10：00 tonight.

I will ask him to call you he comes back.

My brother can't sing ______ dance. He doesn't like music.

Tom failed in the exam again ___________ he tried his best.

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