Did you write an e-mail to your friend yesterday?Yes,But i didn't hear_of__him

问题描述:

Did you write an e-mail to your friend yesterday?Yes,But i didn't hear_of__him
为什么用of,不能用from?

是不是弄错了,答案应该是from 较好呀
因为
hear from 收到……来信
hear of 听说
加油!不明白再问!