A．The aged population will continue to grow. B．There has been little population change over decades. C．The growth rate of aged people is slowing down. D．MostAmericans can live longer in 2020 than today.
单项选择题It wouldn’t do you any _____ to work a bit harder.
单项选择题The customs officer（）him open his three suitcases.
A．forced B．made C．asked D．urged
