Mark Zuckerberg. founder of Facebook, visited _____ Tsinghua University again this October.A.aB.anC./D.the 时间:2026-10-05 10:43:00 浏览:909次 a一个,修饰以辅音音素开头的单词;an一个,修饰以元音音素开头的单词;the表示特指;/零冠词。TsinghuaUniversity"清华大学"专有名词,前面不加冠词。故选:C。 标签:Mark,Zuckerberg,founder