she was sorry she had got (no knife to cut it with)为什么后面有with
问题描述：
she was sorry she had got (no knife to cut it with)为什么后面有with
答
动词不定式 作后置定语,要和前面名词构成动宾或介宾关系例：a lot of homework to do动宾关系,即do a lot of homework
no knife to cut it with介宾关系,即with knife