单项选择题

______ hearing the result, Mary felt relieved.

A．As
B．At
C．For
D．On
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单项选择题
I'm very tired. We really should stop ______ and go to bed.
A．to study
B．studying
C．of studying
D．from studying
单项选择题
I like black coffee very much. The stronger it is,
A．I like it better
B．the more I like
C．the better I like it
D．I like it more
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