问题描述：
初三英语,在线等,要原因. -Susan stays alone in the classroom
初三英语,在线等,要原因.
-Susan stays alone in the classroom and looks sad.
-_________ to her?
A what happens
B what has happened
C what is happening
D what was happening
初三英语,在线等,要原因.
-Susan stays alone in the classroom and looks sad.
-_________ to her?
A what happens
B what has happened
C what is happening
D what was happening
问题解答：
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