用be busy doing,mind doing,enjoy doing,can't help doing 这些单词一起造四个句子怎么造
问题描述：
用be busy doing,mind doing,enjoy doing,can't help doing 这些单词一起造四个句子怎么造
答
1, I am busy doing my homework. 我忙着做 作业
2, I don't mind opening the door for you. 我不介意为你开门
3, I enjoy watching movies. 我喜欢看电影
4, I can't help laughing. 我忍不住笑了.