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
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
D
本题考查非谓语动词作定语和伴随状语的用法。第一个空用现在分词作定语，相当于谓语动词为主动的定语从句结构；第二个空为非谓语动词作伴随状语，表示和has jumped同时发生的动作。