______ is necessary for everyone to obey the traffic rules.A．ThatB．ThisC．WhatD．
题型：不详难度：来源：
| ______ is necessary for everyone to obey the traffic rules. |
答案
| D |
解析
| 本题的含义是对于每个人而言服从交通规则是必要的，本题运用了形式主义it，真正的主语位于句尾用动词不定式，故本题选D。 |
举一反三
----He was nearly drowned once ．
---- When was ______?
-----_____ was in 2000 _____he was in middle school ．| A．that; It ; when | B．this ;This; that | | C．that; This; when | D．that; It ; that |
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--- Who has eaten all the cake, Jim?
--- Oh, must be your two pet dogs. |
People working 10 or 11 hours a day are more likely to suffer from heart problems than_____ who go off duty after seven hours．| A．those | B．that | C．these | D．them |
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Rising from to a position of power, Mr．King is still working very hard．| A．nothing | B．everything | C．something | D．anything |
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| Why don’t you bring to his attentionthatyooaret00illtogo On working? |
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