题目

补全对话，每空一词。 John:  me, is this  eraser? Mark: No,  isn't. It's white.  is black. John: And is that dictionary ? Mark:  , it is. And that red schoolbag is mine, . John: Thank . Jane,  these your books? Jane: Yes, they are.  names are on them. John:   these black pens? Are they yours? Jane: No, they .  John: Are  Lucy's? Jane: Yes, they are. John: Thank you  helping me. Jane: You're . 答案：【1】Excuse【2】your【3】it【4】Mine【5】yours【6】Yes【7】too【8】you【9】are【10】My【11】What【12】about【13】aren't【14】they【15】for【16】welcome

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