1、Had Paul received six more votes in the last election, he ____ our chairman now. 单选题 5分

2、If you ____ Jerry Brown until recently, you'd think the photograph on the right was strange. 单选题 5分

3、____ the English examination I would have gone to the concert last Sunday. 单选题 5分

4、Look at the terrible situation I am in! If only I ____ your advice. 单选题 5分

5、Jean Wagner's most enduring contribution to the study of Afro-American poetry is his insistence that it ____ in a religious, as well as worldly, frame of reference. 单选题 5分

6、I would have gone to visit him in the hospital had it been at all possible, but I ____ fully occupied the whole of last week. 单选题 5分

7、I apologize if I ____ you, but I assure you it was unintentional. 单选题 5分

8、If you hadn't taken such a long time to get dressed, we'd ____ there by now. 单选题 5分

9、The sun rises in the east and sets in the west, so it seems as if the sun ____ round the earth. 单选题 5分

10、If you ____ the doctors advice, you would have already recovered. 单选题 5分

11、What would you have done last night, if you ____ to write your homework? 单选题 5分

12、-- Sally finally got here from Chicago.-- If she ____ earlier, we ____ her to the party then. 单选题 5分

13、Ford might have come to school in time for Professor Smith's lecture, ____. 单选题 5分

14、____ their help in the past years, he would be living a hard life and might even have starve to death. 单选题 5分

15、I can't find my purse. I ____ it in the supermarket yesterday, but I'm not sure. 单选题 5分

16、-- Do you have Betty's phone number?-- Yes. Otherwise, I ____ able to reach her yesterday. 单选题 5分

17、Without his wartime experiences, Hemingway____ his famous novel A Farewell to Arms. 单选题 5分

18、It is lucky we booked a room，or we ____ nowhere to stay now. 单选题 5分

19、The boy might have drowned but for the fact that his father ____ beside him on the deck at that time. 单选题 5分

20、-- Thank God! The accident was avoided after all.-- That was lucky, but ten inches nearer the two cars ____. 单选题 5分

21、People are recycling many things which they away in the past. 单选题 5分