完形填空设空以实词为主、虚词为辅，单词为主、短语为辅。动词、名词、形容词、副词、代词等实词通常要占全部小题数的80%以上。而介词、连词、冠词等虚词则相对考得较少。
完形填空解题步骤
通览------试填-----复核
1 通览----速度全文，把握大意
快速阅读一下全文，通过通览全文、领会大意，概略地了解文章的体裁、背景、内容、结构层次、情节、写作风格等等。
2 试填----紧扣文意，瞻前顾后
先易后难，逐层深入。紧扣全文内容，联系上下文和语境，展开逻辑推理，注意从上下文中寻找线索，注意词汇的意义、搭配，惯用法，语法，常识等多个角度进行综合考虑。
3 复核----全面检查，确保语意连贯，用词准确
试填后，要把全文再通读一遍 ，注意看所选答案填入空白处后能否做到文章意思通顺、前后连贯、逻辑严谨、结构完整、首尾呼应。
解题技巧
1. 充分利用文章的上下文和前后句，找到对选择有提示作用的词或句。（同义词或反义词）
2. 注意固定搭配3. 注意同义词的辨义4.根据动作的发出者确定所选的词5.根据上下文的逻辑关系确定选项6. 根据生活常识以及相关知识确定选项7. 利用语法知识选出正确选项
解题技巧
1 充分利用文章的上下文和前后句，找到对选择有提示作用的词或句。这些词有可能是同义词或反义词。
1) Many old people don’t have good ____. They can’t watch TV, but they can listen to music or news over the radio .
A hearing B health C eyesight D time
2) Some parts of the water are very shallow. But in some places it is very, very______.
A. deep B.high C. cold D. dangerous
根据转折连词but的提示，所选的词应与shallow相反，因此选A
3) I climbed the stairs slowly, carrying a big suitcase,my father following with two more.By the time I got to the third floor ,I was___ and at the same time feeling lonely.( NMET2000 第26小题)
A helpless B lazy C anxious D tired
4) … and then both ended up from
the same high school, just three weeks before_____, Bill asked Mark if they could talk.(2003北京春季卷第45小题)
A graduation B movement C separation D vacation
2 注意固定搭配，包括动词与介词的搭配、动词与名词的搭配以及形容词与名词的搭配等，同时要根据内容选择正确的短语。
1）The city(Washington) was named___George Washington, the first president of the United States.
A. by B. for C. as D. after
2) It was 4 o’clock when the front doorbell rang. Mrs Clarke was ____
tea at the time.
A. cooking B. making C.burning D. serving
3) Mark____ down and helped the boy pick up these articles.(2003 北京 春 50小题)
A.fell B. sat C.lay D. knelt
4) … Ed’s been the least physically fit member in the family, and_____ proud of himself.(NMET2003第42题)
A. strangely B. personally C. reasonably D. eagerly
5）… , but they are _____ damage to our houses and shops of historical interest,’’ Said John Norris,one of the protesters.（NMET1999第30题)
A doing B raising C putting D producing
3 注意同义词的辨义
1）Soon I heard a ___ like that of a door burst in , and then a climb of
feet.
A. sound B. cry C. voice D.shout
2）The boy was ___ ① ____ the water and his canoe was _②___ away.
A.on B.within C.in D.under ② A running B floating C flowing D pulling
3).‘‘ Give me a hand,’’ he shouted_____ he got near the boat.
A. while B. till C. for D. as
四个选项都可以表示时间。while强调一段时间内进行的动作，常与进行时连用；till表示的是动作持续到某时或到某时才开始；for表示的是动作持续了一段时间；as连接的是一个与谓语动作几乎同时发生的动词。答案应选D，表示他一边向船靠近一边大声喊。
4.根据动作的发出者确定所选的词
1). And video cameras can be used
to ___people’s actions at home.
A. keep B. make C. record D. watch
2). When the papers were____ she discovered that twelve boys had made exactly the same mistakes throughout the test.
A. collected B. completed C. marked D. answered
3). Japan is an island country and its_①__ go all over the Pacific looking for fish to _②__.
① A. fishing boats B. lifeboats C. planes D. trains
② A.buy B. catch C.hold D.weigh
只有fishing boats能够到太平洋捕鱼，因此第一个空答案A为。捕鱼用动词catch，第二个空答案为B。
上下文5 根据的逻辑关系确定选项
有时，选项中所给的四个词为表示上下文逻辑关系的连接性词语，它涉及到文章的起承转合、上下连贯。这类题主要考查考生对上下文逻辑关系的理解，如转折关系、让步关系、因果关系、递进关系、增补关系、比较关系以及对比关系等。
常见的承接语有and,but,however,so,therefore,等。其中for one thing…for another…等连接词表示列举；First…and then,First…Next…Then…Finally…用来按次序描述时间发生的过程；anyhow,still,though,although…表示让步关系；therefore,so表结果；because,since,due to,owing to…表原因，等等。
1). A transistor radio is sometimes
very small.It is very easy to carry…___,radio broadcasts are better for
blind people.
A. Besides B. However C. Yet D. Sometimes
2). At first nothing happened,____
suddenly a large rat rushed out of
the… A.and B. or C. so D.then
3). My main responsibility(职责） were clearing tables and washing dishes,____sometimes I helped cook.（2003 北京 第40题）
A. or B. so C. but D. even
6 根据生活常识以及相关知识确定选项
1）The space is left to let the rail
expand（膨胀） when it gets ___.
A. wet B. cold C. hot D. dry
2)…,you __①__the international dateline.By agreement, this is the point where a new day__②__.
① A. see B. cross C. are D. are stopped by
_②A.is coming B is discovered C.is invented D. begins
the international dateline是‘‘国际日期变更线’’，是人们所规定的，看不见，摸不着，但是可以越过。它是新的一天开始的地方。答案分别为B 和D
7 利用语法知识选出正确选项
1）When Ed first phoned and ___
we play, I laughed quietly,figuring
on an easy victory.(NMET2003 , 37题)
A.declared B. mentioned C.persuaded D. suggested
2). I realized that____ I had done that I would have lost a new friend and missed all the fun we would have together.(2003 北京 春季 53题)
A.before B.if C. while D. as
3). As my father,____ worked three jobs, once told me, …（2003 北京 54题）
A .he B. that C. who D .whoever