----- Must I turn off the gas after cooking?----- Of course. You can never be __

题干

----- Must I turn off the gas after cooking?
----- Of course. You can never be ______ careful with that.

A．enough

B．too

C．so

D．very

上一题下一题 0.85难度单项选择更新时间:2010-04-30 06:50:45

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