to do,ingTo learn a foreign language well is no easy job.这句话的to do可以转化为ing吗?

to do,ingTo learn a foreign language well is no easy job.这句话的to do可以转化为ing吗? what do you want to _ a.learn to b.learn about c.learn from d.learn at learn to do 造句 7.learn to do 还是learn doing do you have lots of problem___english a;learn b;to learn c;learnt d;learning learn to do sth造句 learn to do sth.造句 learn to do怎么翻译 earn to learn、learn to do learn to together learn to be 啥意思 Learn to DO and Learn to Be翻译成中文 We need to learn（）A how to be polite B what to do it C how to do Whart do you think of learn to learn ,learn to do and learn to be?怎么写啊 Do you think a good dictionary is h__ to us to learn English well 介词填空I want to do a survey______ the best way to learn English I want to do a survey 什么 the best way to learn English 关于learn的用法learn的用法是learn to do sth,为什么书上还说learn how to do sth,不是应该为learn to how to do 到底是learn to do sth还是learn doing sth learn to do和learn doing有什么区别