( ) -What color is the backpack? - white. A.Its B.It's C.It D.It's a 查看更多

 

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—What color is the backpack?  

    white.

A.Its   B.It's   C.It   D.It's a

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—What color is the backpack?  

    white.

A.Its   B.It's   C.It   D.It's a

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