She helped us have more English pracitce___ asking us to play games in class.此处填by 还是for!
问题描述：
She helped us have more English pracitce___ asking us to play games in class.此处填by 还是for!
答
by doing sth:表示方式,通过……方式/手段.完整形式是:by (means of) doing sth.