单项选择题

But for your help, I ______ it.

A．should have done
B．shouldn't have done
C．couldn't have done
D．could have done
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单项选择题
It was said that Mrs. Smith only went to church to ______ her new clothes.
A．wear off
B．put on
C．show off
D．dress up
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
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