题目

请问是to do 还是doing?
it is worth for us learning/to learn his quality
上面那句和这句的意思一样吗?
it is worth learning his quality

提问时间：2020-10-18

答案

这两个句子都有问题.1、如果 it 是形式主语,可以用 it is worth while doing sth.或 it is worth whileto do sth.其中动名词短语或不定式短语是主语,is worth while（值得花时间）是谓语,即“做某事值得花时间”.如...