The doctors in the country were attending the medical meeting to find out the real of SARS. A.experience, cause B.experienced, reason C.top, cause D.top, reason 查看更多

 

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The____ doctors in the country were attending the medical meeting to find out the real   ___of SARS.
A. experience, cause
B. experienced, reason  
C. top, cause
D. top, reason

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