单项选择题

Why are you so late I ______ for you all the time.

A．have been waiting
B．am waiting
C．have waited
D．will wait
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单项选择题
She noticed the old lady's hand ______ constantly during the talk.
A. shake
B. to shake
G. shaken
D. shaking
单项选择题
She gazed at me with a sudden fear and ______.
A．mistrust
B．trust
C．trustful
D．untrustworthy
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