用who,which 或that把下列的句子连成含有定语从句的复合句 1.The professor has arrived.He will give us
问题描述：
用who,which 或that把下列的句子连成含有定语从句的复合句 1.The professor has arrived.He will give us
答
The professor who has arrived will give us . (你确定us后没sth么？）关系代词指人时用who【主语】.
答
The professor who arrived will give us a talk