ackpacks
来源：google,约有15,100,000项符合backpacks的查询结果
backpack的复数
1个回答
相关问题
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it is anold backpack的复数形式
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where is my backpack 变复数
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it is an old backpack的复数形式
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There was a backpack there 改为复数句
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Is this your backpack?变复数要怎么变啊!
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There is nothing in the backpack= There in the backpack
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Oh,no!My books( )in my backpack.（ ）is my backpack?
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Whose is that backpack?(改为同义句) _______ does that backpack __
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My backpack is behind the chair.改为同义句.The backpack___ ___ __
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—_______ is this backpack?