The bird flu through Asia has jumped from birds to humans at least 20 times so far, 16. A.sweeps;killed B.swept;killing C.sweeping;to kill D.sweeping;killing 【查看更多】

 

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The bird flu ______through Asia has jumped from birds to humans at least 20 times so far,______16.

A.sweeps;killed　　　　　　　　　　　 B.swept;killing　　

C.sweeping;to kill　　　　　　　　　　　 D.sweeping;killing

 

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