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题目内容
（兰州财经大学大学英语）
(2分)From the drawer Mr. Mach took out a chain, with ______ keys dangling at its end
A. a group of
B. a series of
C. a bunch of
D. a bag of
A. a group of
B. a series of
C. a bunch of
D. a bag of
参考答案