Mr．Smith is one of the ____ customers to our restaurant．
A．ordinary B．regular C．normal D．common
He didn't____ what I said because his mind was on something else．
A．hold on B．catch on C．take in D．get over
Expo 2010 Shanghai China will offer ____ wonderful opportunity for ____ cross - culture dialogues．
A．a;不填 B．a;the C．不填;the D．the;不填
The doctor finally gave up the ____ of medicine for full - time writing．
A．days B．process C．skills D．practice
Take things ____ they are and you will enjoy every day of your life．
A．what B．where C．as D．that
But for their help, we ____ the program in time．
A．can not finish B．will not finish
C．had not finished D．could not have finished
