He ----------（not be）at home.----上填什么

He ----------（not be）at home.----上填什么 now he ____(not be) at home he can't be at home与he may not be at home有什么不同?跪拜请求指点迷津. Yesterday he---- (not) at work 横线上填什么 He must be at home now,___ ___?反意疑问句 应该填什么 he did not be at home. 这句话对不对 my father is not -----home,he is ------a meeting.中横线上填什么,为什么 He often-----(have)dinner at home,横线上填have的什么形式 He often-----(have)dinner at home,横线上have填什么形式 He often ------ at home on Sunday.空格中填什么? he---------- (not be )at home at present完形填空,好的赏分 He can't be at home.为什么在at前面有be?什么情况下要加Be?