used to do sth. 意思

used to do sth. 意思 used to do sth. used to do sth be used to do sth. 用be used to do sth.造句写出中文意思 used to do sth.的中文意思是什么? 用be used to doing sth.造句写出中文意思不好意思，是用be used to do sth.造句 use to do sth和be used doing sth的意思 used to do sth和be used to doing sth中的used是什么词性?used to do sth和be used to doing sth中的used是什么词性? be used for doing sth和be used to do sth一样吗?两者意思有何不同? used to do sth.造句 配中英文 用used to do sth造句 USED TO DO STH.能不能配WHEN 用be used to do sth 造句 be used to do sth造句 used sb.to do sth.的回答 used to do sth 的否定式 used sb to do sth 怎么回答