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题型：单选题 题类：常考题 难易度：容易
牛津上海（本地版）五四制八年级上册 Unit 1 基础测试卷
-It doesn't work.
— You'd better __________ see a dentist and have your bad teeth pulled out.
I{#blank#}1{#/blank#} what I have done．
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