简单英语单选
问题描述：
简单英语单选
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
答
选B.can't```too表示"再```也不为过",can never ```too也有这样的意思,新概念二册中有一篇就是说"A man can never have too many ties."
圣诞快乐:)