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必 修 3 Units 3～ 专项语法六 介词及其搭配 要点精析 一、表进行意义的四类介词短语 1．at＋名词 He was at dinner when I came. 我来时他正在吃饭。 She stayed at work when everybody else had gone home. 别人都回家了，她却还在工作。 类似的还有： at press 正在排版 at play 在玩耍 at lunch 在吃午饭 at rest 在休息 at table 在吃饭 at school 在上学 at church 在做礼拜 at peace 和平时期 有些结构可能带有冠词或物主代词： at one's meals 在吃饭 at one's study 在学习 at the piano 在弹钢琴 at the end(of) 在结束时 at the desk 在读书 2．in＋名词 He is in the army. 他正在当兵。 He's been in politics all his life. 他一生从政。 Her husband was in business. 她丈夫是经商的。 He looks tired. He is in need of a rest. 他看来是很累了，需要休息一会儿。 类似的还有： | 
