Jack___be at home now because I have just seen him in the library.A.may not B.mustn't C.can't

Jack___be at home now because I have just seen him in the library.A.may not B.mustn't C.can't no one is home还是no one is at home Threr's no one at home l have no time ( )breakfast at home Were you at home?(No)怎么答 No,Pingping is ill at home是什么意思 no one was home.home前为什么不加at there is no egg at home 为什么是no Is your mother at home?No.She is at w___. there is no one at home可以说成there is none at home吗 There is no one at home.如何翻译? 翻译此句子But found no one was at home. _____________________?No,I am not helpful at home. No,I am not helpful at home .问句是什么? Will everyone study at home? No,____ won't. meat,no,at,home,is,there,today连词成句 if a man receives no guests at home,when at broad he will have no hosts if a man receive no guest at home,when abroad he'll have no