单项选择题

Don''t have the water _________all the time while you are out.

A．running
B．run
C．runned
D．runs
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单项选择题
She gazed at me with a sudden fear and_________.
A．mistrust
B．trust
C．trustful
D．untrustworthy
单项选择题
Little _________that the police are about to arrest him.
A．he knows
B．he doesn't know
C．does he know
D．doesn't he know
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