You________________________(无论多么不小凡都不为过) when you drive a car.

参考答案:

cannot be too carefulcannot be too careful 解析：本题考查对cannot…too…结构的掌握。cannot…too…意为“无论……都不为过”，具有肯定的含义。相似的句子还有：A woman cannot have too many hats while a man cannot have too many ties. (女人不嫌帽子多，男人不嫌领带多。)