He hasn't come to school today.I think he ( ) be ill.A,should B,may我觉得A也可以啊,翻译读起来也很通顺 ,为什么?

he hasn't come yet是什么时态? He hasn't come to school(because he's ill).就划线部分提问急用 the man's come to see his daughter,____?A isn't he B isn't the man C hasn't he D hasn't the man he hasn't come to school for two days 这个句子对吗 -where is Tom?-he hasn't come to school today ,I think he_____be illAhas to Bshould Cmight Dcan 1-16why hasn't he come?( )on time,we will have to put off the trip.1.if he doesn't come2.if he won't come3.if he shouldn't come4.if he hadn't come Me.Wang was not___home,he hasn't come back yet.A.in.B.to.C.at.D.go选哪个 He hasn't come yet.what do you consider ---to him?为什么选has happened而不是happening 不是consider doing -My friend ,Tom ,promised to come to see you.-But he( ) .I have been alone.A .doesn`t B won`t C didn`t D hasn`t --Henry promised to come to see you today.--But he ____.I have been alone.A.hasn't B doesn't C didn't D .hadn't I hear that John has come back to china,_____? A.isn't he B.hasn't I C.hasn't he D.don't I选什么顺便解释下谢谢 He could have come to help us ,but_____.a.he didn't b.he hasn't c.he hadn't d.he can't为什么选a不选b如果后面写反义疑问句是不是用didn't he? My father went to Shanghai last week.He hasMy father went to Shanghai last week.He hasn't come back同意句My father __ __to 上海 Why hasn't Mr.Li come to work today?()he has gone to Beijing to have a meeting.为什么选because He was ___ (suppose) to be here by nine.But he hasn't come yet.用所给单词的适当形式填空!能否说明原因? i asked him to come half an hour ago but he （ ）yA.didn't arriveB.hasn't arrivedC.would arriveD.dose arrive We have been waiting____us,but he hasn't come yet.A.for him helps B.him to help C.for him to help D.him helping He promised to come to see you.But he ___.Ive been along.A.doesnt B.didnt C.wont D.hasnt我选的是B,为什么不选B?