________ so much trouble, we failed to complete the task on time. 
| A．Faced | B．Face | C．Facing | D．To face |
The dishes_____ so delicious are cooked by my father who is a good cook.
A tastingB tasted C to tasted D to be tasted
______ 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
--- Why was Professor Zhang unhappy recently?
--- Because the theory he insisted on _____ wrong.
A provedB proving C being proved D was proved