单项选择题

If it ______ too much trouble, I'd love a cup of coffee.

A．hadn't been
B．isn't
C．weren't
D．may not be
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单项选择题
A．distantB．distinguishedC．deviantD．different
A．distant
B．distinguished
C．deviant
D．different
单项选择题
A．whenB．becauseC．soD．but
A．when
B．because
C．so
D．but
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