shall I 的句子怎么进行否定回答?
问题描述：
shall I 的句子怎么进行否定回答?
答
Yes ,you can.
No,you mustn't.似乎是不能用needn't的吧也可以，看具体语境，如：Shall I use the computer?Yes, you can./ No, you mustn't.Shall i bring my dictionary?No,you needn't. I have brought mine,and you can use it.