单项选择题

Once (giving) (a set of) instructions, a computer can gather (a wide ranger) of informa-tion (for different purposes).

A．giving
B．a set of
C．a wide ranger
D．for different purposes
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单项选择题
After (driving) twenty miles, he suddenly (realized) that he (has been driving) (in) a wrong direction.
A．driving
B．realized
C．has been driving
D．in
单项选择题
Little children (will listen) (what) people say and (try to) imitate (what) they hear.
A．will listen
B．what
C．try to
D．what
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