单项选择题

______ information it is! Just put it into the computer.

A．How useful an
B．What useful
C．How useful
D．What a useful
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Was it real so Why, I saw it ______ my own eyes.
A．in
B．through
C．with
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He is not a soldier ______ a sailor.
A．but
B．but for
C．besides
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