尾字母需双写后才加-ing或-ed的动词

我们先看一道高考题:(2016全国Ⅰ卷)语法填空:I was the first Western TV reporter____66____(permit)to film a special unit caring for pandas rescued from starvation in the wild.该句中已有谓语was,故permit应为非谓语动词;又因reporter与permit之间是被动关系,故用过去分词permitted作后置定语。