He has lost the key to the drawer

网友回答

只能填IN WHICH
======以下答案可供参考======
供参考答案1:
两个都可以。
供参考答案2:
in which.
which代指drawer.
整句等同于He has lost the key to the drawer, and the papers are kept in the drawer.
供参考答案3:
两个都可以用in which，把句子还原。
He has lost the key to the drawer.
The papers are kept in the drawer.
用Where，它是代指前面的the drawer.
供参考答案4:
2个答案都对哦。
这是典型的状语从句的用法。
而且是地点壮语！！！