. There were no tickets _____ for Friday's performance.
| A．preferable | B．possible | C．considerable | D．available |
34. Speaking of all the songs he has written, I think this is probably his _______ one.
| A．better-known | B．well-known | C．best-known | D．most-known |
33. The medicine works more effectively _______ you drink some hot water after taking it.
| A．as | B．until | C．although | D．If |
32. --- Bob, you are absent-minded!
--- Oh, I’m sorry I _______ attention to you, Miss Shute.
| A．haven’t paid | B．wasn’t paying | C．am not paying | D．couldn’t have paid |
31. There was a teapot shaped like a duck, out of ____open mouth the tea was supposed to come.
| A．which | B．its | C．that | D．Whose |
30. --- Mrs. Smith, please teach me how to draw on the computer today.
--- Oh, no._______. You have to get familiar with the keyboard first.
| A．It is never too old to learn | B．Think twice before you do |
| C．Learn to walk before you run | D．One today is worth two tomorrows |