Look!That young man is pracyising____English with a foreigner.A ,to speak B,speak C,speaking D,to speaking请简单讲一下为什么 谢谢
问题描述：
Look!That young man is pracyising____English with a foreigner.
A ,to speak B,speak C,speaking D,to speaking
请简单讲一下为什么 谢谢
答
Look!That young man is practising____English with a foreigner.
speaking(C)
be practising sth 表示：正在练习...
practse 是及物动词，后面跟名词。四个选项中A为不定式，B是原形动词，C是动名词，D的结构只能理解为介词to 跟动名词，由此可见C最合适。
答
C
practise doing sth 固定用法‘ 练习做某事’