Without electricity human life_______quite different today.
--Do you know our town at all? ---No, this is the first time I ___ there.
The driver can adjust the heating in winter and the air conditioning in summer to suit his own _____.
—Shall we go out for a walk? —Sorry.I’m too busy to for the moment.
—Could you do me a favor to hand out these papers? — .
The United States signed up on Friday for the 2010 Shanghai World Expo, _________ it the last major country to join the event.