too very enough so的区别和用法.一个例题请讲解一下,—Must I turn off the gas after cooking?--Of couse.you can never be___caerful with that.

too...to 太.以致不能He is too short to take the book.very 很He is very short,so he can't get the book.enough 足够He is not tall enough to get the book.so 所以He is very short,so he can't get the book....