practice doing sth造句
首先要知道practice doing sth是练习做某事
practice做动词拦肢 后面轮誉跟动名词，而不跟不定式。
You must practice speaking English.
你必须要练习说英语。
I want you to practice doing this until it becomes second nature.
我希望你坚持练习做此事，直到它成为（的）二天简桐世性为止。
I didn't pass the P.E. test, so I have to practice running more.
i often practice playing computer games
He practices playing basketball every afternoon。