求老师,求学长,关于play an important role in 的用法play an important role in 后面是加doing还是do,还是2个都可以?如果我想说“复习在学习方面起重要作用.”,用play an important role in

问题描述:

求老师,求学长,关于play an important role in 的用法
play an important role in 后面是加doing还是do,还是2个都可以?
如果我想说“复习在学习方面起重要作用.”,用play an important role in

play an important role in 后面是加doing
“复习在学习方面起重要作用.”Review plays an important role in learning