Tony hasn’t come to school yet. He __________ be ill or has

Tony hasn’t come to school yet. He __________ be ill or has Lily hasn't come to school yet,I think she ____ be ill,becau He hasn't come to school today.I think he ( ) be ill. He must be ill,___he doesn’t come to school. he hasn't come yet是什么时态? he isn't at school.i think he ------be ill A.has to B.shall He didn't come to school ( )he was ill where is tom?He hasn't come today,I think he__ be ill.A shou i don't know why he hasn't come yet. 选哪个并解释原因He hasn't come to class yet.What do you think______? Me.Wang was not___home,he hasn't come back yet.A.in.B.to.C.a He hasn't come yet.what do you consider ---to him?