—Why not take ____ umbrella with the sign ― Made i
问题补充：
—Why not take ____ umbrella with the sign ― Made in China‖？ It is _____ useful umbrella?
—What _______ good advice it is! A. an; an; a B. an; a; C. a; an; a D. ; an; a
提问者：
guest 提问时间：2015-02-25 18:31:32
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