This is the best way I have thought of __________ the problem.
| A．to be solved | B．solving | C．to solve | D．solves |
_____ he met with the terrible difficulty did he realize the importance of my advice．
| A．Even though | B．Only before | C．Never until | D．Ever since |
Knowing _____, as a matter of fact, one shouldn’t know is a terrible thing．
| A．whether | B．that | C．what | D．when |
After ______silence of several minutes, he came towards her and said, “I have struggled with my feelings , but without ______success!”
| A．a; the | B．the; a | C．不填; a | D．a; 不填 |
.---Can I watch the World Cup games tonight?
---_____.I know you have a lot of homework to do tonight.
| A．Don’t worry about it. | B．It’s out of question. |
| C．It’s out of the question. | D．It’s reasonable. |
There have been several new events _____ to the program for the 2008 Beijing Olympic Games.
| A．add | B．to add | C．adding | D．added |