what’s that in your bag?That's my new tie.Please show your new tie for me.有没有错误?

问题描述:

what’s that in your bag?That's my new tie.Please show your new tie for me.有没有错误?

没有语法错误,但是前面的that可以省略,后面用it指代new tie,这样显得没那么啰嗦
what’s in your bag? That's my new tie.Please show it for me.

有。what's that in your bag的that可以去掉;show your new tie for me 应该为to me

for改成to
show sb sth=show sth to sb