问题描述：
帮忙做一道关于英语现在分词用法的题
“What makes her so unhappy?”
“Her losing one of her favorite books.”
请这里的“丢”为什么用“Her losing”而不是用“because she lost”?
“What makes her so unhappy?”
“Her losing one of her favorite books.”
请这里的“丢”为什么用“Her losing”而不是用“because she lost”?
问题解答：
我来补答展开全文阅读