Jack has been feeling down recently . I wonder that is making him so upset . A .what is it B . why ...
2023-02-10 03:26:56 47次 四川省巴中市四县中09-10学年高二下学期期末联考 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Jack has been feeling down recently . I wonder that
is making him so upset .
A .what is it B . why is it C . why it
is D . what it is
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