in a heavy rain.the teacher fell ill and couldn't but for a leave．( )A．Caught, to askB．Being caught, askC．Catching, to askD．Caught, ask 题目和参考答案——青夏教育精英家教网—

题目内容

1．______ in a heavy rain，the teacher fell ill and couldn't but _______ for a leave．（　　）

	A．	Caught； to ask		B．	Being caught； ask
	C．	Catching； to ask		D．	Caught； ask

分析淋了一场大雨，老师病了不得不请假．

解答答案：D
句中后逗号分隔，没有连词，要用非谓语动词；catch与主语teacher之间构成动宾关系，要用表示被动的过去分词，即the teacher was caught in a heavy rain；couldn't but do sth不得不做某事；句意表达的是事实，不能用分词的进行式．故选D．

点评过去分词是非谓语动词的一种，用法很灵活，分为简单式done（表示与谓语同时或几乎同时发生的动作）；完成式having been done（表示先于谓语的动作）．学习时，要把握其用法特征：表示被动和完成．同时还要注意区分现在分词和不定式．

练习册系列答案

	A．	wasn't； improve		B．	shouldn't be； improve
	C．	wasn't； improved		D．	shouldn't be； improved

12．The reason I was keeping an eye on him was I doubted he was a thief．（　　）

	A．	because； why； that		B．	why； because； whether
	C．	why； that； that		D．	why； that； whether

9．The decision was made in hisabsence（不在），so he was angry．

16．What is the way the professor thought of _______the puzzle to get the truth？（　　）

	A．	to work out		B．	working out
	C．	having worked out		D．	being worked out

6．---Instead of lending a hand，Jim stood by，laughing at us in trouble．
---Oh，it's ________ of him to be so cold hearted．（　　）

13．When Polly left home that morning，the city （61）was covered（cover） in a grey mist．The broadcast said it would be a（ 62）foggy（ fog） day．After work，she stepped out into the fog and wanted to take her usual bus．But the fog was too thick for the bus（ 63）to run（ run ）
that far．So she had to take an underground train．On （64）arriving/arrival（arrive） at the station entrance，she found there was no one in si ght．While walking along the narrow street，she heard the sound of footsteps approaching．How she wished for someone （65）whowould come along to help her!She wanted to run，but fear held her still．To （ 66）hersurprise，the man turned out to be a kind blind man that wanted to help people in the fog．Polly hesitated for a moment and （67）finally（final） accepted the offer．She took the man's hand，and set off towards King Street．The man told Polly to watch out （68）forher step．About half an hour （69）later（late），Polly arrived home．She asked the man to have a rest，but he refused．He said there might be more people
（70）losing（lose） th at day，and it gave him a chance to pay back other people's help when it was sunny．What a grateful helper!

10．The organization works on theprinciple（原则）that all members have the same rights．

11．---Hey，Franc，join us．Don't you know"All work and no play make a dull boy"？
---Thanks for inviting，but I think _____ and I have fallen behind．（　　）

	A．	Great minds think alike，but fools seldom differ
	B．	The early bird catches the worm
	C．	Don't count your chicken until they are hatched
	D．	Make hay while the sun shines

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