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2. According to a recent U. S. survey, children spend up to 25 hours a week ________ TV. (上海卷)

A. to watch                      B. to watching

C. watching                      D. watch

[分析]答案选C。spend some time (in) doing sth. 做某事花了多长时间。

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在介词后一般用动名词,下面是一些含介词的固定句式(其中有的介词有时会被省略):prevent / stop / keep sb. / sth. from doing (阻止…做…);spend / waste time or money in doing (在做…方面花费 / 浪费时间或金钱);How / What about doing sth. (做…怎么样?);have some difficulty / trouble in doing (在做…方面有些困难);have a hard time in doing sth. (做某事很艰难); there is no sense in doing(做…是没有理由 / 道理的);thank (excuse / admire / praise / blame / scold / punish) sb. for doing sth. (因做某事而感谢 / 羡慕 / 表扬 / 责备某人)等。如:

1. Having been ill in bed for nearly a month, he had a hard time ________ the exam. (福建卷)

A. pass                         B. to pass

C. passed                       D. passing

[分析]答案选D。因为have a hard time (in) doing sth. 在做某事方面有困难。

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表示未曾实现的愿望或打算,即表示“本打算 / 想 / 希望做某事”但事实上却没做的事情,用plan, intend, mean; want, hope, wish, expect等动词的过去完成时,加不定式的一般式,或者这类动词的一般过去时,加不定式的完成式;was / were, would / should like加不定式的完成式;was / were going加不定式的一般式。如:

I would love ________ to the party last night but I had to work extra hours to finish a report. (全国卷)

A. to go                        B. to have gone

C. going                        D. having gone

[分析]答案选B。由句意可知,是表示过去未曾实现的期望,用“would love+不定式完成式”。句意是:昨晚我本想去参加聚会的,但是…(from )

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5. Go on ________ the other exercise after you have finished this one. (全国卷)

A. to do                        B. doing

C. with                         D. to be doing

[分析]答案选A。表示做完一事后“接着做”另一事,go on后接不定式。  

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4. She reached the top of the hill and stopped ________ on a big rock by the side of the path. (全国卷)

A. to have rested                 B. resting

C. to rest                       D. rest

[分析]答案选C。休息是停下来的目的,且发生在stop之后,用接不定式的一般式。

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3. In some parts of London, missing a bus means ________ for another hour. (上海卷)

A. waiting                       B. to wait

C. wait                         D. to be waiting

[分析]答案选A。由语境可知句中的mean表示“意味着”,后接不定式。

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2. -The light in the office is still on.

-Oh,I forgot ________. (全国卷)

A. turning it off                  B. turn it off

C. to turn it off                  D. having turned it off

[分析]答案选C。表示忘记做某事,事情还没做,forget后接不定式。

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在下列8个动词和短语动词后接不定式和接动名词意义不同:

remember to do(记住去做)      remember doing(记得做过)

forget to do(忘记去做)         forget doing(忘记做过)

regret to do (遗憾地做)         regret doing(后悔做了)

try to do(设法做)             try doing(试做)

go on to do(接着做另一事)      go on doing(继续做同一事)

mean to do(打算做)            mean doing(意味着)

stop to do(停下来去做)         stop doing(停止做)

can’t help to do(不能帮助做)     can’t help doing(情不自禁做)

1. -You were brave enough to raise objection at the meeting.

-Well, now I regret ________ that. (全国卷)

A. to do                        B. to be doing

C. to have done                  D. having done

[分析]答案选D。由语境可知“我”“后悔”在会上提出异议,应接动名词。

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8. ____ the pot for me, and don't let the milk

   come out. I'll be back soon.

   A. Observe   B. Notice

   C. Watch   D. Look out

   [解析]选C  watch 表示集中精力“照料,监视”,本

句意为“帮我看着壶,别让牛奶溢出来。”;observe意为“观

察”,表示动作;Notice指“注意到”表示结果;look out后面

不能接宾语。

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7.(   ) Ol prices have risen by 32 percent sinee the start

   of the year, ____ a record US$57.65 a barrel

   on April 4. (2005山东)

   A. have reached   B. reaching

   C. to reach   D. to be reaching

   [解析]选B  分词在句中做结果状语,可参见本单

元的句型6。

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