单项选择题

______ any instructions from their government, they could not give an answer.

A．Having not received
B．Not having received
C．Receiving not
D．Not receiving
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单项选择题
______ when the traffic accident took place.
A．He happened to be passing by
B．It so happened to him to be passing by
C．It so happened for him to be passing by
D．He happened that he was passing by
单项选择题
She went to the ticket office, only ______ that the tickets for the performance had all been sold out.
A．told
B．to be told
C．being told
D．was she told
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