Is（）here No,Tom isn’t here.

Is（）here No,Tom isn’t here. Is __ here?----No,Tom isn't here.答案为什么是C,求详解 ----Is e____ here ----No.Sam isn't at school today. 同义句 Tom isn't here today. Ken is here ,isn't he? Everyone isn't here.=Not everyone is here? Is e___here?No Tom isn't. ________?No,Kate isn't here.A.Are you here B.Are we all here there isn't as much to do as there is here .NO plays or conc —Is e____ in the classroom now?—No,Wang Li isn't here. 代词填空Is this pen yours,Jim?No it isn't._______is here,just in Are everyone here now -No ,Li Lei isn't here.(改正错误)