Yesterday is but today's memory ,and tomorrow is today's dream.is 后面加but 是怎么用法,有啥特别的意义

His mother is ill in hospital yesterday.He____look after her.A.needs to B.needs C.has toD.had to 一.用所给词的适当形式填空1.Every day we must _____(come) to school before seven.2.Spring is coming.The days get _____(warm) and _____(long).3.The _____(cold) season of the year is winter.I was ill yesterday,but I feel much _____(well) tod ---------- John ,why didn’t you come to the class meeting yesterday?----------I __________,but I had an unexpected visitor.c.was going tod.did It snowed yesterday, but it is much ___ today.(snow) Everything is going good tomorrow though yesterday was not satisfied.But remember that yesterday wa Yesterday is history,Tomorrow is a mystery,But today is a gift.That is wh Mr Li is kind _____ us,but sometimes he is kind _____ serious.A.to;ofB.with;toc.of;tod.with;of Mr Wang is kind( )us ,but sometimes he is kind( )serious 怎么填A to,ofB with,toC of,toD with,of cride________改句子列：I buy awatermelon yesterday.I bought a watermelon yesterday.1.we carry the bookonthebik today._____________________________________2.sam and Amy walk in the park today._____________________________________3.It is sunny tod Yesterday is histry,tomorrow is a mystery,But today is gift, It () there yesterday,but it () there now.A.was;is B.wasnot;is C.is;wasnot My uncle ____ like drinking wine,but he dies not do it now.A.ought to B.is able to C.used toD.has to Her son___drink coke a lot ,but now he likes drinking milk.A.uses to B.used to C.is used toD.was used to 为什么选B啊 John ______ go to the post office this morning,but he didn‘tA.was supposed toB.is supposed toC.supposed toD.supposed I think the door is locked,but I'll just go and___.A.make sureB.make sure ofC.be sure toD.make sure to wet,today ,is,it,was ,but,yesterday,wetter ,it 连词成句是不是这个：It is wet today but it was wetter yesterday it is warm today,but it was warmer yesterday中 warm+er是什么意思? it is warm today,but it was warmer than yesterday.这句话有错吗