单项选择题


A．are
B．fail
C．have
D．say
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单项选择题
A．atB．toC．forD．on
A．at
B．to
C．for
D．on
单项选择题
The kidnapping took place ______.
A．on Sunday
B．last month
C．when the van was found
D．before seven foreigners were killed
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