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

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

admin2020-12-24  16
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is。解析：考查主谓一致。此处的be动词作谓语，根据主谓一致原则，当从句作主语时，谓语动词一般用单数，故填is。
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