高一英语同步课程
《完形填空之词语辨析》麻雪玲
点击试听好老师授课
老师传授典型题详细办法
教学生举一反三
一题多解、一题巧解
错题本
错题追踪复习
听课中的错题能自动加入错题本
课后可方便复习及导出错题本
网络答疑
课程互动性强
在线互动问答
数理化英快速答疑
课后练习
经典例题课后练习
老师针对课堂中的经典例题
为学生推送同类型题，掌握解题方法
4. This was a time when the two countries were at war.
be at war处于交战状态。
E.g. The two countries have been at war for many years. People there are suffering a lot.
联想：介词 名词 (表状态)
at war / work / home / table
on show / duty / sale / holiday / fire / watch
in trouble /danger / battle / doubt
under repair / discussion / construction
5. After that, what really happened to the Amber Room remains a mystery.
Remain 1) vi. 留下,遗
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