The World Health Organization gave a warning to the public without any ____when the virus of H1N1 hit Mexico in April,2009.
_________ to sunlight for too much time will do harm to one's skin.
.They desired that they_______ the right to vote.
—Who______ it be that is knocking at the door? —It ______ be Father, but I’m not sure.
—Why is Mr. Li so happy this morning? —Because he was honoured with a(n)______ for excellence in teaching.
—Daddy, can you buy me a new MP3 when you go to Beijing? —You ______ get one if you are admitted to a key middle school.