第二部分 英语知识运用

　　第一节 单项填空

　　从A、B、C、D四个选项中，选出可以填人空白处的最佳选项，并在答题卡上将该项涂黑。

　　21. You ________ help me if you don't have time. I can do the job myself.

　　[A] aren't able to [B] don't have to [C] aren't going to [D] mustn't

　　22. Next August, Bob and Sue¹ _________ for 10 years.

　　[A] are married [B] have been married

　　[C] will have been married [D] will marry

　　23. The sun gives off light and warmth², _________ is very important to the living things on the earth.

　　[A] that [B] which [C] what [D] where

　　24. Would you please wait for me _________ few minutes?

　　[A] more [B] some [C] another [D] other

　　25. It _________ hard when I left the house.

　　[A] rains [B_) is raining [C] rained [D] was raining

　　26. After a long discussion³, they at last ________ a conclusion that the experiment should be continued.

　　[A] made [B] found [C] discovered [Dj drew

　　27. The stars are _________ when there is no moon.

　　[A] the brighter [B] more bright [C] brightest [D] brighter.

　　28. -Do you mind if Tom rides in your car?

　　-_________. I ' II be glad to take anybody but Tom.

　　[A] Certainly not [B] No, I do [C] Not at all [D] Yes, I do

　　29. His grandfather ________ for fifteen years.

　　[A] died [B] was dead [C] has been dead [D] has died

　　30. The light is still on. They _________ to switch⁴ it off.

　　[A] may forget [B] should have forgotten

　　[C] must have forgotten [D] can't have forgotten