与shouldn't 的含义及用法它和 must 还有 need 有什么区别?比如 John is very sick.He should see a doctor.也可以说成 He must see a doctor .He need see a doctor.有什么区别?

与shouldn't 的含义及用法它和 must 还有 need 有什么区别?比如 John is very sick.He should see a doctor.也可以说成 He must see a doctor .He need see a doctor.有什么区别? The women shouldn't eat ------- meat because she is ------ heavy.用too much,much too 填空能不能顺便告诉我too much和much too的用法与区别. base的含义及用法 immediately的含义及用法 practice?的用法及含义? to 的用法及含义 印证和验证在含义及用法上的区别? divergent 和different的英语用法及含义一样吗? Shan't / shouldn't We needn't get ready yet;the guest ______ come for another hour.A.shan'tB.shouldn't最好再归纳一下它们的用法与区别! out of order的含义及用法含义、用法. 谢谢 英语:定语的含义?哪些词能做定语?与表语含义及用法的区别? permit名词形式和它的用法,含义 drink 作为名词时的详细用法.比如作为可数名词时的用法与含义及作为不可数名词时的含义及用法. ain't的全称和意思及用法 couldn't和shouldn't的区别,急要 英语不定代词的含义及用法. consume with的含义及用法 smel的词性,含义及用法