问题

She looks sad. Could you please tell me ____ that prevents her from being as happy as before?
A:what it is
B:it is what
C:how it is
D:it is how
B:it is what
C:how it is
D:it is how
正确答案是:
同类题型
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Can she go to the basketball game No, she’s not .She is busy with her work.
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