usd to do something与be usd to doing something区别

问题描述:

usd to do something与be usd to doing something区别

be used to doing sth.是习惯做某事eg:I'm used to getting up early.我习惯早起.be used for doing sth.是某物被用于……,eg:The pencil is used for drawing and writing.铅笔可以用来画画和写字.be used to do s...