—Bob! How’s your project? I heard you started it last Friday,right?
 —Oh!I          for it.But I haven’t decided when to do it.
| A.have prepared | B.had prepared | 
| C.have been preparing | D.was preparing | 
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 |