31. ____ nice，the fish was sold out soon.
A. TastedB. Tasting
C. To tasteD. Being taste
【解析】选B系动词，作不及物动词用，无被动语态。所以不能用过去分词．而用现在分词，tasting nice做原因状语。
32. In the dark forests ____, some large enough to
hold several English towns. (2005 辽宁)
A. stand many lakesB. lie many lakes
C. many lakes lieD. many laks stand
【解析】选B该句倒装，主语是lakes，不及物动词stand，lie均可用来表达“位于”，但stand意为“站立，屹立”，用于立体物体；lie为“躺，卧”，相对于平面而言。
33. The scientists my the plant's ____ in this area
was a terrible sign of the worse environment.
A. introduetionB. absence
C. presenceD. appearance
【解析】选B全句意为“这个地区这种植物的消失是环境恶化的一种迹象”。
34. -- Will $200 ____?
-- I'm afraid not. We need at least 50 more dollars.
A. countB. satisfy
C. fitD. do
【解析】选D问句意为“200美元可行吗?”do可作不及物动词，作“行，可以”解，表示对莱一事实的认可。fit意为“吻合”，不是抽象意义的“合适”。
35. The key doesn't ____ the lock.
A. fitB. fit for
C. fit toD. fit with
【解析】选A此处应作及物动词用，意为“这把钥匙不是配这把锁的”，不及物用法应为fit in with，形容词用法应是be fit for 或 be fit to do...。
36. You don't look well recently. Try to ____ strong wine.
A. keep offB. keep out
C. keep out ofD. keep up
【解析】选Akeep off意为“别碰，远离”，句意是“身体不好，不要喝烈酒”；keep up意为“坚持，保持”；keep out(of)意为“不让……进来”。
37. The news reporters hurried to the airport, only ____ the film stars had left. (2004 福建)
A. to tellB. be told
C. tellingD. told
【解析】选B该题考查不定式做结果状语的用法。不定式前有only，just等词，后跟不定式通常表结果。又因为记者们应该是被告知，所以用不定式的被动式。
38. Having been in bed for nearly a month, they
had a hard time ____ the exam. (2004福建)
A. passB. to pass
C. passedD. passing
【解析】选D该题考查句型 have a hard time (in)doing。
39. He hasn't slept at all for three days. ____ he is tired out. (2005 湖北)
A. There is no pointB. There is no need
C. It is no wonderD. It is no way
【解析】选C依题意“他三天没睡，难怪他累极了。”There is no point in doing sth. 是本单元的句型，意为：做某事没有作用或意义；而There is no need in doing sth. 没有必要做某事；It is no wonder 没什么大惊小怪；It is no way没可能。
40. The disc digitally ____ in the studio sounded fantastic at the party that night. (2004上海)
A. recordedB. recording
C. to be recordedD. having recorded
【解析】选A通过分析句子，该题句子的谓语显然是sounded，因此recorded只能是非谓语，所以选A，考查过去分词在句中做定语的用法，recorded 相当于 which was recorded。