1,SeatingonthegroundwastheonlyforeignerthatIsawattheparty. 　　seating怎么改?为什么? 　　答：Seated/Sitting 　　因为seat和dress一样,跟人作宾语.Heseatedhisson/himselfonthechair. 　　-->Hisson/Hewasseatedonthechair. 　　Hewassittingonthechair.不用说了吧,熟悉句子. 　　这句话为了平衡,倒装了.不倒装,则为Theonlyforeigner(定语从句)wassitting/seatedontheground. 　　2,Ican'tjudgebythatIknowofhim. 　　that怎么改?为什么? 　　答：what=thethingsthat. 　　whatIknowofhim=thethingsthatIknowabouthim. 　　我不能通过我了解他的那些情况来判断. 　　3,Withdayswenton,theweathergotworse. 　　with怎么改?为什么? 　　答：Asdayswenton,... 　　随着日子一天天过去,天气变得越来越差. 　　as是连词,可以跟时间状语从句.还有一种改法：Withdaysgoingon,...