英语 定语从句

题目

英语 定语从句
1)Is this flat...you one liyed in
2)Is this the only flat ...you once lived in
3)Is this the flat ...you once lived
4)Is this the flat in ...you once lived
5)Is it in the flat...you once lived
填关系代词~我搞不太清楚
打错了
1)Is this flat...you once lived in

答案

which
that
where
which
that