您要查找的是不是：
- Unless I'm mistaken, she was back at work yesterday. 除非是我记错了；她是昨天回来上班的。
- He was at work yesterday morning. 他昨天上午在工作。
- She was at work yesterday. 昨天她在工作。
- The mechanic was at work on your bicycle then. 当时修理工在修理你的自行车。
- After a short spell in hospital she was soon back at work. 她在医院住了一段时间后，很快又回来上班了。
- She was at supper when I called on her yesterday. 昨天我去看她时,她正在吃晚饭。
- I'm sure that she was at home yesterday, wasn't she? 我敢肯定昨天她在家中,是吗?
- She did a lot of acting while she was at college. 她在念大学时演过很多次戏剧。
- She used to run when she was at college. 她上大学时经常练跑步。
- She was at the mercy of her cruel husband. 她任凭残酷的丈夫摆布。
- Gremlins were at work on this column yesterday. 昨天本栏出了差错。
- The sculptor was at work chiseling a statue. 雕塑家正在雕琢一尊雕像。
- The clerks are at work attentively. 职员们在专心工作。
- She must have been at work from her cradle. 她一定是很小就做工。
- She was at pains to stress the benefits of the scheme. 她极力强调该计画的好处。
- Her ingenuity was at work to remedy the injury. 她的机灵已经在设法治疗这个伤痕。
- The sculptor was at work chiseling a statue . 雕塑家正在雕琢一尊雕像。
- When her son returned she was at last free from anxiety. 她儿子回来了，她总算解除了忧虑。
- Unknownforces were at work to overthrow the government. 有些尚未查明的势力正在活动图谋推翻政府。
- Maria : Has she been at work? 玛丽亚：她还在工作吗?
