这几道题请帮我分析一下,着重分析,1.The students__in the exercise books may go now.A.handed B.having handed C.to be handing D.who have handed为什么不是B2.I have no idea__the book is__to your English study.A.whether,of much value B.i

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这几道题请帮我分析一下,着重分析,1.The students__in the exercise books may go now.A.handed B.having handed C.to be handing D.who have handed为什么不是B2.I have no idea__the book is__to your English study.A.whether,of much value B.i

这几道题请帮我分析一下,着重分析,1.The students__in the exercise books may go now.A.handed B.having handed C.to be handing D.who have handed为什么不是B2.I have no idea__the book is__to your English study.A.whether,of much value B.i
这几道题请帮我分析一下,着重分析,
1.The students__in the exercise books may go now.
A.handed B.having handed C.to be handing D.who have handed
为什么不是B
2.I have no idea__the book is__to your English study.
A.whether,of much value B.if,of great value
C.that,so valuable D.how,very valuable
为什么B不行
3.--They haven`t finished the work up to now.
--Well,they__
A.should have B.should C.ought to have finished D.ought have
为什么C不行

这几道题请帮我分析一下,着重分析,1.The students__in the exercise books may go now.A.handed B.having handed C.to be handing D.who have handed为什么不是B2.I have no idea__the book is__to your English study.A.whether,of much value B.i
第一题中having handed的形式是动名词,表达的是:状态,性质,心境,抽象,经常性,已发生的,多用来表示抽象概念,当表示具体事情的时候一般是不用动名词的.所以不能选B
第二题引导表语从句,主语从句同位语从句时,只能用whether,不能用if.
第三题你应该是没有弄清楚ought to 和should的区别用法,这两个词虽然大体上两者的意思是相同的,通常可以互相转换,但是ought to比should 语气强,而且should 表示主观看法,ought to,直接接动词原形,更多反映客观情况,“有义务”或“必要”做某事,译为“应当,应该”,而这道题中是指他们应该完成的,回答的主观认为的他们应该可以完成的,题中并没有提供说客观的他们有义务完成或者必须应该完成的信息,所以选A不选C