7、。(共5题;共13分)22.(5分)is How she old ? (连词成句)23.(5分)It,past,is,half,seven,(.)24.(1分)me,the,let,chairs,clean(.)_______25.(1分)2000,the,Wall,Great,old,years,is,about(.)_______26.(1分)wantssomehebuyforsistertobookshis(.)_______六、句型转换。(共5题;共15分)27.(1分)It'sourclassroom