Ⅱ.短语默写 1. 开始;前进;领先;说吧 2. 过去常常做某事 3. 在……领域 4. 为……感到骄傲/自豪 5. 应当;理应做某事
go ahead
used to do sth
in the area of
be proud of
be supposed to do sth