单项选择题

Don't forget ______when you are finished with the electric iron.

A．to turn it off
B．turning it off
C．to have turned it off
D．having turned it off
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单项选择题
If we had enough' time to prepare, the result______ much better.
A．would be
B．would have been
C．had been
D．were
单项选择题
The two girls had so ______in common that they soon became good friends.
A．many
B．little
C．few
D．much
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