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12.一What’s in the pencil―case? 一There a pen and three pencils in it.A.be B.is C.a(chǎn)re D.a(chǎn)m 查看更多

 

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一What's in the pencil-case?
一There _____ a pen and three pencils in it.

[     ]

A. be
B. is
C. are
D. am

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