赞题库-背景图
单项选择题

______ a reply, he decided to write again.

A．Not receiving
B．Not having received
C．Having not received
D．Not received
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热门试题

单项选择题The foreign visitors said that they wouldn t mind ______.

A．having a hard bed for the night
B．have a hard bed for the night
C．to have a hard bed for the night
D．they had a hard bed for the night

单项选择题If you suspect that the illness might be serious you should not ______ going to the doctor.

A．hold back
B．put off
C．put aside
D．hold up