11. I want to give a birthday party, but I am not sure _____.

问题描述:

11. I want to give a birthday party, but I am not sure _____.
A. who ro invite B. to invite whom C. whether invite the girls
答案是A,为什么B、C不对

我想举办一个生日派队,但是我不确定该邀请谁
C语法错误,应该改为whether to invite the girls
B的错误很明显,宾语从句当然要把WHOM移到动词SURE后面来