５．____he might,he failed,A.Try as B.As try C.Tried as D.As tried 选Ａ．为了强调让步的意义，表示出非常强烈的对照，用as或though引导的让步状语从句，从句的语序要作部分调整，即把句子受强调的表语、状语或动词原形置于从句的句首。如果表语是单数可数名词，移置句首时，名词前不用冠词。如：
（１）Much as I like it,I will not buy it.（２）Child as she is,she knows a lot of English.
６．Did the two boys look so much alike____no one could tell thema part?
A.and B.that C.as D.so that
选Ｂ．目的状语从句的表达："主＋谓＋that(so that,in order that)＋ 主＋may(might,can,could,sho uldn`t等)＋谓"。
７．____Mr Smith is well again,he can travel. A.Now that B.But that C.And that D.Since that
选Ａ．now that相当于since。表示原因状语从句的连接词常见的有 because,as,since,now that,seeing that,considering that等。
８．It was____a hundred people looked lost in it. A.so large a room that B.so large a room C.such large a room thatD.a such large room
选Ａ．引导结果状语从句：
so＋adj(adv)＋that从句so＋adj＋a(an)＋n＋that从句such＋a(an)＋ adj＋n＋that从句 表示"这样……（一个）……以至于……"。
９．The harder he worked,____he felt. A.happier B.the happier C.the happy D.the happiest 选Ｂ．the＋比较级＋主＋谓，the＋比较级＋主＋谓，意思是"越…… 越……"。
二、定语从句
定语从句是在复合句中使其修饰的某一名词或代词代表一个（些）或一类特 定的人或东西。在做定语从句 的练习时，首先应该找出先行词，然后再确定选择关系代词或关系副词。能够引导定语从句的关系代词和关系副词有 who,whom,whose,that,which,when,why,where。
１．She heard a terrible noise,____brought her heart into ber mouth.(M
A.it B.which C.this D.that
选Ｂ．在非限定性定语从句中，关系代词用which不能用that。
２．He paid the boy $ 10 for washing ten wiondows,most of____hadn`t cleaned for at least a y ear.(MET`90)
A.these B.those C.that D.which
选Ｄ．如果选Ａ、Ｂ、Ｃ，整个句子不符合语法要求，因为有一个"逗号"， 不是并列句，因此只能是一 个非限定性定语从句，在非限定性定语从句中关系代词一般用which。
３．His parents wouldn`t marry anyone____family was poor.(MET`88)
A.of whom B.whom c.of whose D.whose
选Ｄ．因为whose作family的定语。