2020年精编人教版英语资料.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.来源:www.shulihua.net答案：being no bus来源:www.shulihua.net.单项填空来源:www.shulihua.net1We were_giving up_they came to help us out.Aat the point of; whileBon the point of; whenCon the point of; while 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 coldBand his nose red with coldChis nose red with coldDhis nose been red with cold来源:www.shulihua.net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 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:www.shulihua.net数理化网4She had just finished her homework _ her mother asked her to practise playing the piano yesterday.Awhen BwhileCafter 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”。