These leaders are living proof that prevention works and that we can manage the health problems that come with age. 本句话的主语是1______,谓语是2_______,表语是3_________; proof后面有三个that从句:第一个that引导的是4_____(主语?宾语?表语?同位语?定语?) 从句,解释说明proof的内容,从句 主语是5_____,谓语是6______; 第二个that引导的是7______ (主语?宾语?表语?同位语?定语?) 从句,从句主语是8____,谓语是9______,宾语是10______; 第三个that引导的是11_____ (主语?宾语?表语?同位语?定语?) 从句,that在从句中做从句的12_______(主语?宾语?定语?表语?)