The key opens the room is missing.哪错了?从定语从句方面考虑。
问题描述：
The key opens the room is missing.哪错了?
从定语从句方面考虑。
答
The key to the room is missing
这间房间的钥匙是The key to the room
祝你学习进步O(∩_∩)O哈！
如果对你有所帮助，还望采纳O(∩_∩)O哈！
如还有不懂的，还可以继续追问哦\(^o^)/~
答
The key opens the room was missed .
要是是在过去就丢了 或者 was missing也可以
答
The key which/that opens the room is missing.
如果不想做定于从句,就得用非谓语了：
The key to open the room is missing.
答
opens变opening