It is uncertain whether the medicine will work on the this cold, ? A. won't it B. isn't it C, will it D. is it 查看更多

 

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.It is uncertain whether the medicine will work on the this cold, _________?

A. won't it           B. isn't it       C, will it     D. is it

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.It is uncertain whether the medicine will work on the this cold,________?

A, is it    B. isn't it C, will it D. won't it

 

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.It is uncertain whether the medicine will work on the this cold,________?

A, is it    B. isn't it C, will it D. won't it

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.It is uncertain whether the medicine will work on the this cold, _________?

A. is it      B. isn't it     C, will it           D. won't it

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.It is uncertain whether the medicine will work on the this cold,________?
A, is it    B. isn't it C, will it D. won't it

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