-—David has gone to Australia on business.—Really? I ______ why he was absent from today’s meeting.
Alice, together with two boys,____ for having broken the rule.
Every means ____ tried but without any result.
The population of China ____ larger than that of .any other country in the world.
Over 80 percent of the population of China ____ peasants.
Every' boy and every girl ____ to attend the evening party.