_____ smoking, he would not have got cancer in the lung.
| A．Was he given up | B．Had he given up |
| C．Did he give | D．If he gave up |
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 |