单项选择题

Little ______ that some detectives were watching his every move.

A．did he realize
B．he has realized
C．has he realized
D．he realized
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单项选择题
He can speak French, German and Russian, ______ English.
A．don't mention
B．no mention
C．not mentioning
D．not to mention
单项选择题
In spite of some partial successes they have ______ many failures in their trials.
A．won
B．met with
C．reached beyond
D．succeeded in
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