____ is known to us all is that the World Expo 2010 will take place in Shanghai.
| A．It | B．What | C．As | D．Which |
The price of oil has _________ sharply to $12 a barrel.
| A．risen | B．raised | C．been risen | D．been raised |
第二部分英语知识综合运用
第一节，从A，B，C，D四个选项中选出可以填入空白处的最佳选项并在答题卡上，将该项涂黑.
（共15小题，每题1分,满分15分）
Someone reported observing a stranger ____________ his house .
| A．enter | B．to enter | C．to entering | D．entered |
34. He made a mistake, but then he corrected the situation _ it got worse.
| A．until | B．when | C．before | D．as |
33. E-mail, as well as telephones, ____ an important part in daily communication.
| A．is playing | B．have played | C．are playing | D．play |
31. I was just about to go to bed last night ______ the telephone rang.
| A．while | B．when | C．as | D．before |