1.had这里不是过去式,而是had better do这一固定结构,所以是hadn't you
2.没听过也没必要这样反问自己把,一般只有问Would you like...
3.选D啦,理由是needn't=doesn't need to
4.没有needn't to,记住needn't=doesn't need to就OK啦
5.I needn't buy milk./I don't need to buy milk.(后者较常用)
1.had这里不是过去式,而是had better do这一固定结构,所以是hadn't you
2.没听过也没必要这样反问自己把,一般只有问Would you like...
3.选D啦,理由是needn't=doesn't need to
4.没有needn't to,记住needn't=doesn't need to就OK啦
5.I needn't buy milk./I don't need to buy milk.(后者较常用)