is everybody here today?答句是什么肯定以及否定

问题描述:

is everybody here today?答句是什么
肯定以及否定

Yes。We are all here .
No,Tom isn't here

Yes。We are all here .
No,Tom isn't here,He is ill at home.

Yes everybody is here today
no nobody is here today

Yes,we are.
No,we aren't.