what is to be done then 与what is doing then哪种说法正确还有：learn to do 与_英语解答

what is to be done then 与what is doing then哪种说法正确
还有：learn to do 与learn doing 两种表达都对吗,有什么区别?
a child can't learn ______ (spell) without being helped.这里该填哪种?

人气：126 ℃　时间：2020-02-01 07:14:56

解答

第一个对.因为what is to be done 是被动式,事情是被做的,被处理的.what is doing没有主语.前者是学习做某事.后者是learn by ...ingI learn to speak English.I learn English by working hard.a child can't learn ...