He tries to do what he can _________English well(study)

问题描述:

He tries to do what he can _________English well(study)

he tries to do what he can to study english well

to study 这里相当于in order to study 表示目的 他竭尽全力想要学好英语

He tries to do what he can ( to learn)English well.
动词不定式作目的状语.
意思:为了学好英语,他做了他所能做的.