The World Health Organization gave a warning to the public without any ______when the virus of H1N1 hit Mexico in April, 2009.
The artist ________ the last years of his life here and FrancoisⅠacquired that masterpiece that even today represents one of France’s treasures: the Mona Lisa.
Surely you shall not come into the study ________ I swore to devote myself to settling the problem, unless permitted.
Alex and Chris, volunteers from Australia, are said _____ our school as they have finished their teaching mission.
As a student, you’d better learn how to write down notes in class before you _____ them.
During the summer vacation, he just stayed at home, doing nothing at all, which _____ his failure in the first monthly examination.