根据下面资料,回答题 Almost everyone suffers from a headache 21 (occasional). But som...

作者: tihaiku 人气: - 评论: 0
问题 根据下面资料,回答题 Almost everyone suffers from a headache 21 (occasional). But some people suffer from repeated, frequent headaches. What is headache What causes it What can you do about a headache What research is being done on headaches The dictionary de
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答案
解析 it。解析:考查代词。此处用it代替前面的a headache。

相关内容:根据,下面,资料,Almost,everyone,suffers,headache,occasional,som...

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