1. presenting 出席
2. native 地道的,表示他英语说的非常好
3. was joking 用进行时,固定习惯用法
4. are not read 时态前后一致
5. was being repaired 用被动态的进行时,桥正在被修理.
1. presenting 出席
2. native 地道的,表示他英语说的非常好
3. was joking 用进行时,固定习惯用法
4. are not read 时态前后一致
5. was being repaired 用被动态的进行时,桥正在被修理.