题目内容：

to do 和doing做主语的区别

优质解答

Ⅰ.动名词和不定式做主语的相同点1.不定式短语和动名词做主语时,常常为了保持句子的平衡,用it来做形式主语,如：It is not easy to learn English well.It is no use asking him for help.2.如果主语用了不定式,表语...