用“介词+关系代词 who/which”填空

题目

用“介词+关系代词 who/which”填空
1.What's the name of the sport _______ you go in a boat?
2.This is the question _______we have had a discussion.
这位heyinbu 大哥，你第一个答案是错的

答案

that
that
从句都完整了,所以用that连接.