单项选择题

You cannot be ______ careful when you drive a car.

A．very
B．so
C．too
D．enough
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单项选择题
Housewives who do not go out to work often feel they are not working to their full ______.
A．capacity
B．strength
C．length
D．possibility
单项选择题
When I caught him ______ me, I stopped buying things there and started dealing with another shop.
A．cheating
B．cheat
C．to cheat
D．to be cheating
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