1、.句型转换1She was on the point of leaving when I arrived.She when I arrived.答案：was about to leave2There was no bus, so we had to walk home.There , we had to walk home.答案：being no bus.单项填空来源:1We were_giving up_they came to help us out.Aat the point of; while Bon the point of; whenCon the point of; while
2、Dabout to; when解析：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:Band his nose red with coldChis nose red with coldDhis nose been red with cold解析：选 C。句意：他走 进房间，鼻子冻得通红。独立主格结构 his nose red with
3、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：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 practis e playing the piano yesterday.Aw hen BwhileCaf ter Dsince解析：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” 。
