改错：1.When you arrive at there ,please call me at once.______

改错：1.When you arrive at there ,please call me at once.______ When you arrive at there, please call me at once . 这句话错误在哪 please call me when you（） A arrive at B arrive C get D reach please write to me at once when you arrive改为同义句：please write Please call me when you arrive A home B at home C to home D Please write to me at once when you arrive .(同义句) Please write to me at once when you arrive (改为疑问句）谢谢了,大神帮忙啊 Please call me when you ____(be) at school when father _ back,please tell him to call me at once.A.wll After you ___ (get;arrive) at the bank ,please'call me Please call me at once. 这句话什么意思 Please call me up at once.的同义句