often能不能与used to do连用?used to do不是过去常常吗?often又是经常,这不重复吗?

often能不能与used to do连用?used to do不是过去常常吗?often又是经常,这不重复吗? USED TO DO STH.能不能配WHEN be used to doing与used to do的区别 get used to do与get used to doing的区别.used to do与used to doing you,do,to,often,our,come,schoo?连词组句 you,often,to,come,library,the,do连词组句 -do you often go swimming in the lake?-no,but i ____ A.used B.used to C.used to do D.was used used to do 造句 used to do用法 used to do用法 used to do sth. used to do sth used to do get used to do 翻译used to do used to doing used to be 与used to do一般疑问句两种【肯定否定】 be used to 与used to do的用法之不同? used to do的used的词性