急!求be used to dobe used to doing used to doing be used for doing _英语解答

急!求be used to dobe used to doing used to doing be used for doing 的区别以及用法

人气：396 ℃　时间：2019-08-20 03:34:49

解答

sth be used to do be used for doing 某物被用于做某事
be used to doing 习惯做某事
used to do 过去常常做某事