It is said in the book that Tomas Edison （1847-1931） _______ the world leading inventor for thirty years．
| A．would be | B．has been |
| C．was | D．had been |
Not until I have got all the information _______ some comments about this incident.
| A．I can make | B．can I make |
| C．I have made | D．have I made |
— The pop group S.H.E is said to have been invited to 2013 CCTV Spring Festival Show.
— Really? It’s a long time _______ they three performed together on the mainland.
| A．that | B．since |
| C．when | D．before |
According to the latest traffic rules, drivers who run red lights _______ lose six points, double the previous punishment.
| A．shall | B．may |
| C．can | D．should |
That company wants to reduce prices to increase its market share, and this is _______ we differ from it.
| A．what | B．which |
| C．where | D．why |
Most of his mistakes _______ out of his nervousness, I am sure.
| A．arose | B．raised |
| C．rose | D．lifted |