she went to Blue Water with her classmates.划线的是her classmates,疑问代词用who还是whom?
问题描述：
she went to Blue Water with her classmates.划线的是her classmates,疑问代词用who还是whom?
答
With whom did she go to Blue Water?
Who/Whom did she go with to Blue Water?
Whom作为宾格使用,who多用于主格,也可用作宾格.
所以两个都可以使用的.