practise加to do还是doing

这取决于使用场景。

1. 当"practice"作为动词用时，一般需要加上"to do"，即"practice to do"。

比如，"I need to practice to do well in the competition."2. 当"practice"作为名词用时，一般需要加上"doing"，即"practice doing"。

比如，"He needs more practice doing presentations in English."