Is it more difficult to learn Chinese than learning Janpanese?怎么改错是应该把learning去掉,还是应该改成to learn

问题描述:

Is it more difficult to learn Chinese than learning Janpanese?怎么改错
是应该把learning去掉,还是应该改成to learn

应该把learning去掉

比较对象不一致,故应去掉learning