Who would you have to post the letter?该错题,要理由我也是这么改的,可是答案是去掉TO,

问题描述:

Who would you have to post the letter?该错题,要理由
我也是这么改的,可是答案是去掉TO,

正确

post the letter to sb.
改成疑问句时这个to不能省略.
最后加一个to就对了