She looks sad. Could you please tell me ____ that prevents her from being as happy as before? A.what...
2022-08-02 18:01:05 140次 甘肃省2019-2020学年高二上学期期末英语试卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
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
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