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B4 代词热点42.用it作形式主语或形式宾语补全下列句子我认为我们开这个会是必要的。I think _that we have the meeting.努力劝他也没用。_trying to persuade him.众所周知，在世界上中国人口最多。_China has the largest population in the world.据说他们都去看电影了。_all of them have gone to the cinema.答案it(is)necessaryIt is no use It is well known thatIt is said that.单项填空(2011天津卷)We feel _our duty to make our country a better place.Ait Bthis Cthat Done答案A句意：我们觉得让我们的国家成为一个更加美好的地方是我们的责任。本题考查代词的用法。根据句子结构可知：后面的不定式短语to make.place为真正的宾语，设空处应为形式宾语，四个选项中只有it可作形式宾语，故答案为A项。(全国卷)If I can help _， I dont like working late into the night.Aso Bthat Cit Dthem答案Cif I can help it意为“如果我有办法”，表示有办法做某事，或有办法控制某个局面。所提供的情景I dont like working late into the night说明如果有办法，不喜欢工作到深夜。so意为“这样”，常用于省略句中，代替上文中的动作。that用于代替上文的内容。(湖南卷)As the busiest woman in Norton, she made _her duty to look after all the other peoples affairs in that town.Athis Bthat Cone Dit答案Dit作形式宾语，to look after all the other peoples affairs in that town作真正的宾语。不定式短语作宾语时，需移至宾语补足语之后，在原来宾语的位置上用引导词it作形式宾语，构成“makeit形容词或名词不定式短语”结构，从而使句子保持平衡。(山东卷)Id appreciate _if you would like to teach me how to use the computer.Athat Bit Cthis Dyou答案Bit用来泛泛地指某事，可用于如I like it, I appreciate it等类似的句子，表示喜欢和赞赏某事。(全国卷)Do you like _here?Oh，yes. The air, the weather, the way of life. Everything is nice.Athis Bthese Cthat Dit答案D用it指代下句中的the air, the weather, the way of life，其他代词不合适。Everyone knows that _is dangerous to play with fire, but _is difficult is to prevent children from playing with fire.Ait; it Bwhat; whatCit; what Dwhat; it答案Cit在此题中作形式主语，真正的主语是to play with fire。I hate _when people talk with their mouths full.Ait Bthat Cthese Dthem答案Ait在此题中作形式宾语，真正的宾语是后面的从句。You may depend on _that they are of much value.Athat Bthese Cit Dthem答案Cdepend on it that.“相信”固定用法。故选C。,
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