---Can you tell me how often he practices his English?
---__________.
| A．At times | B．At one time | C．At all times | D．At a time |
34. English is considered as a(n) _______ language, and it is no surprise that there are so many people in the world learning it.
| A．universal | B．logical | C．artificial | D．Regular |
33. —We want to sit at the table near the door.
—I’m sorry, but it _______ already.
| A．was taken | B．has taken | C．will be taken | D．has been taken |
32. It is reported that the scientists in our country are ______ all possible ways to control H1N1 flu.
| A．operating | B．designing | C．replacing | D．Exploring |
31. Look at the notice. You are not allowed _______ the gymnasium without permission.
| A．to enter | B．enter | C．for entering | D．Entering |
30. It is said that Columbus Day is ______ the arrival of Christopher Columbus in the New World in the USA.
A. in honor of B. for the honor of C. in favor of D. in place of