______ twice a year, whether it is a car, a bus or a truck, is the rule that every driver must obey in this city.
A Having been examined B Examined C Being examined D Examing
---- Did you know more about the mine accident、
---- Oh, sorry, I had no idea. I ____ the Rescue Center now.
A will be phoning B am to phoneC will phone D phone
. --- Do you regret not having gone abroad?
--- Why should I ? I _____ as much, but I’m glad to devote myself to our motherland.
A didn’t earnB don’t earnC hadn’t earned D haven’t earned
______most of the guests____ to the 2009 Euro-Asia Economic Forum in Xi’an attended the forum punctually.
A invited B to invite C being invited D had been invited