He spends as much time as he can ____(practice)english every day.中添 to practice 还是practicing

问题描述:

He spends as much time as he can ____(practice)english every day.中添 to practice 还是practicing

to practice

如果是practicing。。。
就是根据结构spend time doing..
但是我不确定,又觉得to practice是表目的。。

省略了IN 的动名词,要用----ING形式.

填to practica
这道题可以用排除法,因为can后用动词原形,所以practicing不对。