We had waited for Jane for an hour before she ______.它的完整句
问题描述：
We had waited for Jane for an hour before she ______.
它的完整句
答
come
答
came back
意思应该是在Jane回来之前我们已经等了她一个小时
答
left
答
arrived
答
arrived
在Jane到达之前,我们等了她一个小时.