介词不能乱用.
此处,what are you excited后可用三种介词：(about / at / by sth)意为“你干嘛这么兴奋?”
例句：
The children were excited about opening their presents.
I'm really excited at the prospect of working abroad.
Don't get too excited by the sight of your name in print.
what are you excited+什么介词
5个回答
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