-It look like rain. Why not take umbrella with you? --Thank you. But I don’t think it’s necessary. A. a B. an C. / D. Several 查看更多

 

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—It look like rain. Why not take ______ umbrella with you?
—Thank you. But I don't think it's necessary.
[     ]
A. a  
B. an  
C. /  
D. Several

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