关于ThisRussianprogramis的百科

• ThisRussianprogramisdifficult

• 问题详情：ThisRussianprogramisdifficult______forChinesestudents. A.understandingit     B.understanding    C.tobeunderstood        D.tounderstand【回答】D知识点：非谓语动词题型：选择题...
• 2019-12-296247