英语问题(说明语法）1.what has happened to Tom?He is so tried after __

英语问题(说明语法）1.what has happened to Tom?He is so tried after __ What happened to Tom? Tom is ill,so he has to go to the doctor.(改为同义句） ---What ever happened to Tom? What happened to the boy?He tried (avoid) answering my quest Tom is ill ,so he has to go to the doctor (改为同义句) what has happened to you 英语练习1.Tom has never been to China,________?A.isn't he B. is Tom is free,so he has ( ) time to help his mother do housewo 是what has happened to还是what has happened at 英语问题1.同义句转换：He is so young that he can't look after himself He is wondering what happened to the old