20xx秋上海教育版英语三年级上册unit9inmyroomperiod2ppt课件内容摘要：
Yes, they are. No, they aren’t. rubbers Yes, they are. No, they aren’t. S1: Are these _______(s)? S2: Yes, _____. / No, ______. desks books pencils This is my book. Is this your book? No, it isn’t. Yes, it is. These are my pencils. Are these your pencils? Yes, they are. No, they aren’t. S1: Is this your _____?/Are thes。阅读剩余 0%
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