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1、.句型转换句型转换1She was on the point of leaving when I arrived.She when I arrived.答案：答案：was about to leave2There was no bus, so we had to walk home.There , we had to walk home.答案：答案：being no bus.单项填空单项填空来源来源:1We were_giving up_they came to help us out.Aat the point of; while Bon the point of; whenCon the
2、point of; while Dabout to; when解析：解析：选选 B。句意：我们正要放弃，这时他们来帮助我们脱离困境。be on the point of doing sth.when .意为“正要做某事，这时” ，故选 B。be about to 后接动词原形。2He entered the room, _.Ahis nose was red with cold来源来源:Band his nose red with coldChis nose red with coldDhis nose been red with cold解析：解析：选选 C。句意：他走进房间，鼻子冻得通红。
3、独立主格结构 his nose red with cold 在句中作伴随状语。A 项缺少连词；B 项缺少谓语；D 项中 been 应用 being。3The children went home from the grammar school, their lessons _ for the day.Afinishing BfinishedChad finished Dwere finished解析：解析：选选 B。考查名词的独立主格结构。名词短语 their lessons 和动词 finish 之间是被动完成关系，故用过去分词 finished。来源:来源:来源:4She had just finished her homework _ her mother asked her to practise playing the piano yesterday.Awhen BwhileCafter Dsince解析：解析：选选 A。考查连词。句意：昨天她刚刚做完作业，这时她妈妈就让她练习弹钢琴。when 在本句中作并列连词，意为：and at that time。while 作并列连词，表示对比转折，意为“而” ；after 为从属连词或介词，意为：“在之后” ；since“自从时候；既然” 。
