单项选择题

This can help to ______ something that the students may not. have comprehended.

A．signify
B．specify
C．testify
D．clarify
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单项选择题
We were frightened by the ______ of the crowd.
A．hospitality
B．honesty
C．humanity
D．hostility
单项选择题
Some ______ good luck brought us nothing but trouble.
A．seemingly
B．satisfactorily
C．uniformly
D．universally
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