. - The speaker is a tall man with glasses.
- Then it_____ be Mr. Smith, who is short and thin.
| A．wouldn't | B．won't | C．mustn't | D．can't |
34. --Have you ever heard of an American president called Chester A.Arthur?
--No, and he is not mentioned in my history book at all. He seems ______________.
A. to have been completely forgotten B. having completely forgotten
C. to have completely forgotten D. completely forgetting
33. ________ in the fields on a March afternoon, he could feel the warmth of spring.
| A．To walk | B．Walking | C．Walked | D．Having walked |
32. --What kind of ________ makes 3G cellphones so popular with the young?
--Video communication, I think.
| A．mark | B．sign | C．symbol | D．Feature |
31. --______ one and a half days enough for the painting to be finished?
--I don’t think it’s enough and only after _________ go on with it.
| A．Is; will he recover he can | B．Are; he recovers can he |
| C．Are; he recovers he can | D．Is; he recovers can he |
30. It was once called the Sea of Bamboo, but now only one fifth of the area ______ covered with bamboo, and sixty percent of other plants ______ taken the place of the bamboo.
| A．are; have | B．is; has | C．is; have | D．are; has |