The police were seeking more information to find out ______ the rich merchant.
| A．who was it that killed | B．who it was that killed |
| C．it was who killed | D．who was it killed |
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 |
I could ____ he was surprised from the expression on his face．
| A．look | B．say | C．watch | D．tell |