The World Health Organization gave a warning to the public without any ______when the virus of H1N1 hit Mexico in April, 2009.
A.delay | B.effort | C.schedule | D.consideration |
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The World Health Organization gave a warning to the public without any ______when the virus of H1N1 hit Mexico in April, 2009.
A.delay | B.effort | C.schedule | D.consideration |