问题
选择题
—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
答案
答案：B
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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
答案：B