重点句型
be doing-----when
Neither/Nor/So+系动词/助动词/情态动词+主语
It is /was+ 被强调部分 +that/who
It is +adj./n+真正的主语.
The reason why -----is that-----
Where there is a river , there is a city.
No matter what----
No all-----
If only-----
The next time
用户名
密 码
忘记密码 新用户注册
