单项选择题

I am sure he is fully ______ of the danger.

A．certain
B．aware
C．confident
D．curious
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单项选择题
She was glad that the wicked man had decided ______
A．not killing her
B．his not killing her
C．not to kill her
D．to not kill her
单项选择题
Not only ______tolerant of other people's opinions, but he is also patient.
A．he is
B．is he
C．he will be
D．will he be
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