根据题意，选择最佳答案，或者选取最合适的答案。

1. Do you know the person our headmaster is talking to. ---Yes. I made his _______ at a party.
   remark acquaintance
解析：解析试题分析：考查名词辨析。句意：--你认识正在和校长交谈的那个人吗？--是的。我们是在一次聚会上结识的。A评论，注意；B了解(知识等)；相识的人，熟人，泛泛之交。make one’s acquaintance结识，与某人初次相识，故选B。
2. Why are you so excited? Because I ______ my favorite star tomorrow.
   meet am meeting
解析：试题分析：句意：--你为什么如此兴奋？--因为明天我就要见我最喜欢的明星了。be doing表示将来主要意义是表示按计划、安排即将发生的动作。结合句意，故选B
3. Though it was very late, they _______their discussion.
   continued with continued
解析：试题分析：在表示继续这一含义时，carry on 是经营, 从事, 忙于的意思；go on 是继续的意思；continue 是连续性的继续。句意：尽管非常晚了，但是他们还是继续他们的讨论。结合语境可知下文含有从事某事的含义，故选B
4. Tell me your __ : Stay here or go with us
   decision experience
解析：试题分析：句意：告诉我你的决定，待在这还是和我们去？A. decision决定； B. experience经历，故选A
5. One _____ needed when making a cake is flour; another is sugar.
   container ingredient
解析：解析：句意：做蛋糕的原料一个面粉，另一个是糖。container，容器；ingredient，原料
6. Even after I ______ to soil science, I sometimes wondered whether 1 was doing what I wanted to do.
   reacted Switched
解析：试题分析：句意：即使在我转想社会科学之后，有时我也会想我是否在做我想做的事。A. reacted反应；B. switched（通常指突然地）改变、转换。由句意可知选B
7. It's high time that we students ______ even harder at our lessons as the national entrance examination is coming nearer.
   Work worked
解析：试题分析：考察虚拟语气。固定句式It is time that sb should do sth/过去时；是某人做某事的时候了。句意：因为高考即将来临，是我们学生努力学习的时候了。故B正确
8. Which month has ____days in a year? — February, of course．
   Few the fewest
解析：试题分析：句意：--在一年中，哪一个月份有最少的天数？--当然是二月份。分析：一年当中有十二个月，因此运用最高级，同时day是可数名词，因此选择第四项。故选B
9. Many people are worried that so many college graduates each year can't find a job. -_______is no need to worry about it as the government is now making every _______to provide more jobs.
   It; effort There; effort
解析：试题分析：句意：许多人都担心每年这么多的大学生找不到工作。这个不必担心，政府正在努力为他们提供更多的工作。there is no need to do sth没有必要做某事，there be句型表示“有”，make every effort to do sth全力以赴做某事，故选B
10. Film has a much shorter history, especially when_____ such art forms as music and painting.
    compare to compared to
解析：试题分析：考查非谓语动词的过去分词做状语。When 引导的时间状语从句中的主语和谓语被省略了，完整的句子应该是 especially when it is compared to such art forms as music and painting.“电影的历史很短，尤其是当与艺术形式的音乐和绘画相比”故选B
11. What do you often do_______classes to relax yourselves? ---We often do eye exercises, listen to music or do some running around the school.
    among between
解析：试题分析：—你在课间经常做什么来放松你自己？—我们经常做眼睛保健操，听音乐或围着校园跑。根据句意是指“两者之间”，所以用between，故选B
12. John likes walking in the countryside. --_____. They enjoy a good time together every time.
    So does his wife So his wife does
解析：试题分析：句意：约翰喜欢在相处散步，他的妻子也是，他们每一次都在一起享受美好的时光。前一句中谓语动词likes为实意动词，后用does指代即可，So does his wife表示他的妻子也是这样，故选A
13. Did Jenny play the role _______ the princess in the play? — Yes, she did. The prince saved her and fell in love _______ her.
    with; at of; with
解析：试题分析：play the role of表示扮演……的角色；fell in love with sb表示爱上某人和某物；句意：---是珍妮在剧中扮演公主的角色？---是的，她是，王子救了她并爱上了她。结合语境故选B
14. The computer was invented in the 20th .
    Sentence Century
解析：试题分析：句意：在二十世纪，电脑被发明了。分析选项音标与词意：A. sentence['sent(ə)ns] 句子；B. century['sentʃʊrɪ]世纪。明确答案为第四项。故选 B
15. Tomorrow we’ ll have an extra training for P.E exam . Be sure to be here on time! — No problem , I’ ll be here 10 minutes _____ .
    Sooner earlier
解析：试题分析：句意：明天我们将为体育考试进行额外训练，一定要准时到这。没问题，我会提前10分钟到。A 更快；B 更早；结合语境故选B
16. It is reported that the countries attending the opening ceremony of the London Olympics ______ 229.
    added to added up to
解析：试题分析：句意：据报道参加伦敦奥林匹克运动会开幕式的国家总计有229个。added to：增添；增进 added up to：总计；合计达 。故选B
17. On hearing the sound, the birds flew away in every ________.
    ．direction Way
解析：试题分析：A. direction方向；B. way道路，方式。句意：一听到声音，鸟儿就朝各个方向飞去。故选A
18. In no city of China _____ little about the economic development．
    the government cares does the government care
解析：试题分析：考查倒装句，英语中，否定词或半否定词放在句首，句子用部分倒装，就是将be动词，助动词，情态动词放在主语前面，句意：在中国没有城市政府不关心经济发展的，把助动词does提到主语前面。选B
19. I will go to Hong Kong Disneyland with my parents tomorrow. —________!
    My pleasure Have a nice trip
解析：试题分析：句意: --明天我将会和父母去香港的迪尼士乐园。--祝你路途愉快! A. My pleasure 和It’s my pleasure同义，是“不用谢、甭客气”的意思，就是已经帮完忙了，回答对方表示感谢的客套话；B. Have a nice trip 旅途愉快；Congratulations 庆祝，祝贺的意思，根据题意选B
20. __________ does your brother look? -- He looks __________ .
    What; happily How; happy
解析：试题分析：句意：--你的弟弟看起来怎么样？-- 他看起来高兴。what,什么，how,怎么样。look+形容词，看起来怎么样。根据句意，故选B。