摘要：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. won't it B. isn't it C, will it D. is it
查看习题详情和答案>>.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
查看习题详情和答案>>
.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
查看习题详情和答案>>