Students _______not only study but also relaxing.

问题描述:

Students _______not only study but also relaxing.
用need还是need to?
relaxing字典上只有形容词一个词性,这里是不是表示名词?表示名词是不是用need较合适?

没有错.填need.语法:need + doing.
如果是need to,那么句子后面就该是...but also to relax.(前后一致)