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1 I don't doubt__A__he'll come

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1 I don't doubt__A__he'll come
A that B if C what D whether
2 Output is now six times__C__it was before liberation
A that B which C what D of which
3 She is pleased with what you have given him and__D__you have told him
A that B which C all what D all that
4 Excuse me.Would you please tell me__D_
A when the sports meet is taken place B when is the sports meet going to be held
C when is the sports meet to begin D when the sports meet is to take place
5 Do you happen to know__A__
A what size shoes he wears B how big shoes he wears
C what is the size of his shoes D waht number shoes are his
6 This book will show you __B__can be used in other contexts
A how yo have observed B how what you have observed
C that you have observed D how that you hanve observed
7 Would you go and see__D__outside
A what to take place B what Tom has happened
C what is happening D what the matter had been.
8 The subjiect of"what is interesting is that I do not even know him."is __C___.
A what B interesting C What is interesting D I
能帮我解释为什么选这些吗 答得越详细越好 有更多的分 哈哈
回答部分也好 只求快些
1.don't doubt后只能跟that引导的宾从,来说明对某一事实不怀疑.
2.what it was before liberation在句中作表语从句(只不过它的前面加上了修饰它的定语),从句中缺少表语,因此只能用what(既可引导从句,又可充当句子成分).
that可引导从句,但不能充当句子成分; which 表示"哪一个",与句意不符,故不能选which/of which .
six times what it was before liberation 六倍于解放前的输出量/是解放前产量的六倍.
3.that引导定从修饰all; 此句中的all that=what,因此C项多了一个all,不能选.
that不能充当句子成分,不能选,因为____you have told him从句中需要一个宾语.which与句意不符,也不能选.
4.根据宾从中要用陈述句语序的原则,排除B和C,再:take place为不及物动词,是没有被动语态的,排除A.因此只能选D.be to do sth.表示"即将做某事".
5.根据宾从中要用陈述句语序的原则,排除C和D,再:问鞋码或鞋子的大小,习惯上说what size shoes 而不说how big shoes .因此选A.
6.____can be used in other contexts 这一从句中缺少主语,只有B选项中有个what引导的从句能充当这个主语.整个how从句作show的直接宾语.所以只能选B.
7.个人觉得这题的答案不是D,怎么会用过完呢?尽管happen很少用进行时态,不过比较而言,四个选项中,C.what is happening更合适.当然,如果是what the matter is 就更好了.
8.此题是问"what is interesting is that I do not even know him."这句话的主语(subject)是什么 ,因此答案选C what is interesting (是主从作主语)