i have often heard the"ABC"song-----,but i have never heard Alice_其他解答

i have often heard the"ABC"song-----,but i have never heard Alice---解释
不是翻译，答案为什么是sung sing

人气：272 ℃　时间：2019-09-05 08:41:32

解答

.我经常听到ABC歌,但我从来没听Alice唱过.第一空,是听到歌被唱,所以要用过去分词sung；第二空,hear sb do/doing sth.听到某人做某事,do强调结果,doing强调过程,题中指我从没听过这件事,并不强调过程,故用原型.