是busy to do 还是busy doing

问题描述:

是busy to do 还是busy doing
哪个更常用?练习册上有这样的选择题,一个选项是to do一个是doing.应该选哪个呢?
如果都有,那么求be busy to do sth.和be busy doing的区别

busy 短语的用法常用的有两个:be busy with sth 忙于做某事 be busy doing sth 忙于做某事 例如:1.The plan for the new book is on ice at the moment.I've been busy with too many other things.写那本新书的计...