人教版英语七年级上册Unit3 Is this your pencil?Section A 3a-3c-302edu教育资源网

询问物品所属关系单数用 Is this/that your/her/his…? 复数用 Are these/those your/her/his…? 简略回答：单数用 Yes, it is./No, it isn’t. 复数用 Yes, they are. / No, they aren’t.

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