1.I usually go to college by bus.(此句很好,没有错)
2.We have just finished painting the room.(此句也很好,没有错)
3.They still were waiting when we arrived.(此句可略作修改:They had been
still waiting when we arrived.)
(waiting 和 arrived 两词,waiting发生在先,
所以最好使用过去完成进行时)
1.I usually go to college by bus.(此句很好,没有错)
2.We have just finished painting the room.(此句也很好,没有错)
3.They still were waiting when we arrived.(此句可略作修改:They had been
still waiting when we arrived.)
(waiting 和 arrived 两词,waiting发生在先,
所以最好使用过去完成进行时)