A cough is usually nothing to worry about unless it lasts for ten days ____.
[     ]
A. or more
B. instead
C. at most
D. only
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A cough is usually nothing to worry about unless it lasts for ten days ___.

A. or more       B. instead          C. at most         D. only

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科目:高中英語 來源: 題型:

A cough is usually nothing to worry about unless it lasts for ten days ___.

    A. or more       B. instead          C. at most         D. only

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科目:高中英語 來源: 題型:

A cough is usually nothing to worry about unless it lasts for ten days ___.

A. or more       B. instead          C. at most         D. only

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科目:高中英語 來源: 題型:

A cough is usually nothing to worry about unless it lasts for ten days ___.

   A. or more       B. instead          C. at most         D. only

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科目:高中英語 來源:2012-2013學(xué)年四川宜賓高三一診考試英語卷(解析版) 題型:單項(xiàng)填空

A cough is usually nothing to worry about unless it lasts for ten days _____

A.instead  B. or more         C. at most D. Only

 

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