单项选择题

Once [giving] [a set of] instructions, a computer can gather [a wide ranger] of information [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
Little children [will listen] [what] people say and [try to] imitate [what] they hear.
A．will listen
B．what
C．try to
D．what
单项选择题
The old man [will never] forget the event, [that] [has changed] his life [ever since.]
A．will never
B．that
C．has changed
D．ever since
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