beusedto,beusedtodoing

辨析used_to_do_be_used_to_doingbe_used_to_do
辨析used-to-do-be-used-to-doingbe-used-to-doppt
"过去常常做某事但现在已经不再存在了. be/get used to doing sth.
wendangwang.comed to do, be used to doing和be used to do .
used to do和be used to do以及be used to doing到底