问题描述：
英语一道题目
Some middle school students have always been studying hard because they (are dreaming about )going to universities.
为什么是are dreaming about?不可以是dream about?
请详细解释,谢谢!涉及到什么语法?
Some middle school students have always been studying hard because they (are dreaming about )going to universities.
为什么是are dreaming about?不可以是dream about?
请详细解释,谢谢!涉及到什么语法?
问题解答：
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