.Because of the heavy snow, the village was not __________.

________, he has finished his job ahead of time.

下列加点字注音正确的一项是（　　）

The world’s population hit 7 billion on Monday among celebrations and concerns about_______ the growing number of people will affect the earth’s resources [ ]

Global Health officials have been closely monitoring anew virus related to SARS that is believed ______ at least one person in SaudiArabia