10、we must speak to old people politely .Old peo

Old people must be spoken to politely . We must speak to the old men politely.(改为同义句） the old men mu Old people must A be spoken to politely B speak to polite C children should speak politely to old people 改为反义疑问句 You should speak to old people politely主动改被动 we should speak to the old politely改被动句 You should speak to the old politely. 17.Old people must_____.A.be spoken to politely B.speak to p young people should speak to old men politely怎么改被动语态 填空1 The old people should ( )(speak )to politely 2 Yesterday Old people must ________(为什么是be sopen to politely 为什么要加to Old people must be skoken to politely.为什么要加TO