单项选择题

Every means ______ tried but without much result.

A．is
B．are
C．has been
D．have been
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单项选择题
-- Do you know our town at all -- No. This is the first time I ______ here.
A．was
B．have been
C．came
D．am coming
单项选择题
Kate is an honest girl; I say it, ______ I don't like her.
A．as if
B．as long as
C．as though
D．even if
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