简介： Ⅱ. 单项选择。（每小题1分, 共20分） 从A、B、C、D四个选项中选出可以填入空白处的最佳答案，并把答题卡上对应题目的答案标号涂黑。 21. This summer, we really had _________ enjoyable vacation. A. a B. / C. the D. an 22. I think my books are more interesting than ___________. A. his B. he C. him...