问题
选择题
Mr Smith was almost broken down by________unfortunate events that happened to him.[ ]
A．a range of
B．a variety of
C．a series of
D．a list of
答案
答案：C
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Mr Smith was almost broken down by________unfortunate events that happened to him.[ ]
A．a range of
B．a variety of
C．a series of
D．a list of
答案：C