13 集
课程目录2/13 集可播放
1
interesting与interested
3:482
one of的用法
4:22
3
until
4:01未授权
4
spend,cost,take与pay
4:52未授权
5
stop doing sth.与stop to do sth.用法辨析
2:40未授权
6
alone与lonely
3:36未授权
7
although的用法
4:11未授权
8
so…that与such…that
5:13未授权
9
含有if引导的条件状语从句的复合句
5:52未授权
10
too many,too much与much too
4:20未授权
11
remember doing sth.与remember to do sth.
2:52未授权
12
主动省to被动保留的情况
6:18未授权
13
one与it
3:29未授权