一道英语题: -My sister couldn't help jumping with joy at the news
一道英语题: -My sister couldn't help jumping with joy at the news. -Why not?One can't imagine... 一道英语题: -My sister couldn't help jumping with joy at the news. -Why not?One can't imagine what it feels like__the first prize. A.winning B.to win 答案是B.为什么? 谢谢!