（高中）It was in the room （where） i can sleep 为什么不能是强调句

题目有错,应该是 It was the room where i can sleep。这是一个定语从句where i can sleep研制修饰the room。但是it was in the room that i can sleep。则是强调句,和it was in the room that i met him。句式完全相同。