Our school invites some great people to give us talks__ A.from a day and night B.from time to time
问题描述：
Our school invites some great people to give us talks__ A.from a day and night B.from time to time
Our school invites some great people to give us talks__
A.from a day and night B.from time to time C.from past to now D.from one to anther
答
选B.from time to time = at times = sometimes = occasionally不时地,有时,时常