the medicine (which is being sent to the stricken area)___there the day after tomorrow. 括号里修饰这个medicine,忽略括号里的内容这句话就是the medicine ___there the day after tomorrow.空格是will arrive,意思是将要到达.Arrive :主动表被动的用法 列句:(邮件、物品等)被送来 The books will arrive tomorrow. 这些书明天到.