1.(2015·浙江，2改编)Jane's grandmother had wanted to write ________ children's book for many years, but one thing or another always got in ________ way.
答案：a;the 句意：简的祖母多年来一直想写一本儿童读物，但是一件接一件的事情总是妨碍她写书。children's book的中心词是单数可数名词且第一次出现，并且此处表泛指，故其前需加不定冠词;in the way为固定搭配，意为“挡道，碍事”。
2.(2014·新课标Ⅰ，63)Now, years later, this river is one of ________ most outstanding examples of environmental cleanup.
答案：the 形容词最高级前用定冠词。句意：现在，数年之后，这条河是环境保护最典型的例子之一。空格后部分的中心词是名词examples，再由one of...可知，这里的most表示比较意义;形容词最高级前用定冠词the。
3.(2014·广东，23改编)She apologized for the mistake and gave us a spare VIP room on ________ top floor.
答案：the top“顶端的，最高的”，只修饰名词，前面用定冠词。on the top floor “在顶楼”。
4.(2014·天津，8改编)Life is like ________ ocean: Only ________ strongwilled can reach the other shore.
答案：an;the 第一个空表示泛指，且ocean以元音音素开头，故用不定冠词an;形容词前用定冠词表示一类人，the strongwilled意为“意志坚强的人”。
5.(2014·浙江，2改编)The paper is due next month, and I am working seven days ________ week, often long into________night.
答案：a;the seven days a week意为“整个星期，一周七天”，long into the night意为“直到深夜”，是固定短语。
6.(2014·重庆，6改编)I can't tell you ________ way to the Wilson's because we don't have ________ Wilson here in the village.
答案：the;a way后有介词短语作定语，表特指，所以第一空填定冠词the;泛指“一个名叫Wilson的人”，第二空填不定冠词a。
7.(2014·陕西，19改编)________ village where I was born has grown into ________ town.
答案：The;a village后有定语从句修饰，是特指，故第一空填定冠词;泛指“一座城镇”，故第二空填不定冠词a。
8.(2014·江西，22改编)They chose Tom to be ________ captain of the team because they knew he was ________ smart leader.
答案：the;a 第一空后面的名词captain“队长”后面有介词短语of the team修饰，表示特指，所以使用定冠词the;第二空后的可数名词leader前面有形容词smart修饰，用a表示泛指。
9.(2013·新课标Ⅱ，13改编)Four and ________ half hours of discussion took us up to midnight, and ________ break for cheese, chocolate and tea with sugar.
答案：a;a 句意：四个半小时的讨论让我们到了午夜，我们稍微休息了一下，吃了奶酪、巧克力并且喝了加糖的茶。两空前加不定冠词a，都为固定搭配。
10.(2013·浙江，15改编)People develop ________ preference for a particular style of learning at ________ early age and these preferences affect learning.
答案：a;an 第一空a preference表示“一种倾向性的喜好”，用不定冠词a表示“一个，一种”的概念，同时have/develop a preference for sth.也可以看作固定词组，表示“对某物偏好，喜爱”;而第二空at an early age是固定词组，意为“在幼年时期”，也表示“一个，一种”的概念。
11.(2015·天津六校联考改编)________ news of the mayor's coming to our school for a visit was given out on the radio yesterday.
答案：The 句意为：市长来我们学校参观的新闻昨天通过收音机发布了。名词news后有介词短语修饰，起限定作用，表特指，故填the。
12.(2015·浙江杭州质检改编)In Germany, ________ successful project, which roughly translates as “adopt a grandparent”， has been running with a great success.
答案：a 句意为：在德国，一个名为“领养祖父母”的项目已成功运行。project为单数可数名词，此处意为“一个成功的项目”，表泛指。故填不定冠词a。
13.(2015·陕西宝鸡中学期中改编)—Mom, why can't I have ________ new bike?
—Dear, you know, money doesn't grow on trees.
答案：a 句意为：——妈妈，我为什么不能要一辆新自行车?——亲爱的，你要知道，赚钱可不是件容易的事。bike为单数可数名词，是首次提到，此处表泛指，故用不定冠词a。
14.(2015·安徽江淮十校联考改编)________ wish always remains unrealistic that you can come first in the final exam when you make no efforts at all.
答案：The 句意为：你不付出任何努力而想在期末考试中得第一名的愿望是不现实的。wish后有that引导的同位语从句修饰，表特指，故填定冠词The。
15.(2015·广东中山七校联考改编)Your son is in great danger and he needs ________ immediate operation which costs 48,000 yuan.
答案：an 句意为：你的儿子很危险，他需要紧急手术，费用为48,000元。operation为单数可数名词，且immediate为元音音素开头，故填不定冠词an。
16.(2015·河北名校联盟质检改编)I'd like to buy ________ computer. Could you please give me some advice?
答案：a 句意为：我想买一台电脑，你能给我一些建议吗?computer为单数可数名词，此处表不确定的事物，表泛指，故填不定冠词a。
17.(2015·浙江嘉兴五校联考改编)Zinio is ________ platform for digital magazines, with more than 5,500 magazines from a wide range of publishers.
答案：a 句意为：Zinio是一个电子杂志平台，拥有来自各出版商所提供的5,500多本杂志。platform是单数可数名词，此处指“一个平台”，表泛指，故填不定冠词a。
18.(2015·江西南昌高三一模)What if your first choice is wrong? If so, just give yourself ________ second chance.
答案：a 句意：如果你的第一次选择错误怎么办?如果是这样，要再给自己一次机会。序数词前加不定冠词表示“再一，又一”，所以填不定冠词a。
19.(2015·福建厦门模拟改编)—Would you mind giving me advice on how to improve my record?
—If you make ________ most of your potential, there will be a rise in your achievement.
答案：the 句意为：——给我一些建议使我提高记录好吗?——如果你充分利用自己的潜能，你的成绩就会提高。make the most of是固定短语，意为“充分利用”，故填定冠词the。
20.(2015·浙江温州十校联考改编)With the development of society, our country is badly in need of those with ________ better command of computer skills.
答案：a 句意为：随着社会的发展，我们国家非常需要那些可以进行电脑操作的人才。with a command of...为惯用搭配，意为“掌握……”，故填不定冠词a。
