有下面一道填空题:
—Must I come here before eight o’clock?
—No, you _______.
所给答案是needn’t,为什么不能用mustn’t呢?
老师的分析是:must开头的疑问句只能用needn’t来作否定回答,不能用mustn’t。我...
Oh,
Mike's not here these days. Is he ill ?I
am afraid so. His mother told me that he was in hospital.这句Mike's
not here these days = Mike is 是否错误?是否应该改成现在完成时Mike has not been here these days. Is he ill ?
请老师分析一下类似以下句子的意思以及句子成分:
Not a day passes but we use electricity in our daily life.
Not a day goes by when I don't think of my old friend Jim Green.
谢谢老师!