Little ______ that we were watching his every move, so he seemed to be going his own way in this business.
| A．he realized | B．he didn’t realize | C．didn’t he realize | D．did he realize |
Even if there is no scientific proof secondhand smoke causes cancer, there is no reason why nonsmokers should be forced to take this risk.
| A．which | B．that | C．when | D．where |
It is only when you nearly lose someone _____ fully conscious of how much you value him.
| A．do you become | B．then you become |
| C．have you become | D．that you become |
John thinks it won’t be long _________ he is ready for his new job.
| A．when | B．after | C．before | D．since |
The lawyer listened with full attention, __________ to miss any point.
| A．not trying | B．trying not |
| C．to try not | D．not to try |
Great inventors don’t ________ graduate from famous universities. Some didn’t even go to university.
| A．likely | B．necessarily |
| C．really | D．particularly |