最佳答案:Are they your watches?Yes,they are.
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最佳答案:同问题一致单数时用单数 复数用复数
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最佳答案:She is a good woman.原句Are they good women?复数一般疑问句Yes,they are.肯定回答
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最佳答案:Is your name Tina?Yes it isbuses boxes knives babies childrenAre they near the d
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最佳答案:1.This bus is new.This bus isn't new.Is this bus new?Yes,it is / No,it isn't.2.T
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最佳答案:1.Those aren't my books.2.That is not my book.3.Are these your book?4.Yes,they a
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最佳答案:These are my keysThese aren't my kyes.These are my keysThis is my keyThese are m
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最佳答案:可以规定,i^0=1,(1+i)^0=1.
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