( ) -What color is the backpack? - white. A.Its B.It's C.It D.It's a——青夏教育精英家教网—

摘要：( ) -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

—What color is the backpack?　　

— 　　　 white.

A.Its　　 B.It's　　 C.It　　 D.It's a

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