doing my homework 是否可以换成on my homework
问题描述：
doing my homework 是否可以换成on my homework
答
the answer is beyond my power
答
on my homework 好像不行
你可以说 working on my homework
答
不可以
没有on my homework这个词组
所以用了就是错误的
on 不和 work 搭配