______ 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 phone C 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 earn B don’t earn C hadn’t earned D haven’t earned