This is ___ I recommend you to do.A.whatB.thatC.whichD.whatever我的答案选D,what为复合关系副词=the thing which(that).我的疑问是which并没有作从句的主语或宾语或介词宾语啊?不好意思,写错了书上答案是Awhat为

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This is ___ I recommend you to do.A.whatB.thatC.whichD.whatever我的答案选D,what为复合关系副词=the thing which(that).我的疑问是which并没有作从句的主语或宾语或介词宾语啊?不好意思,写错了书上答案是Awhat为
This is ___ I recommend you to do.
A.what B.that C.which D.whatever
我的答案选D,what为复合关系副词=the thing which(that).
我的疑问是which并没有作从句的主语或宾语或介词宾语啊?问题补充：
不好意思,写错了书上答案是A
what为复合关系代词=the thing which(that).
中的which并没有作从句的主语或宾语或介词宾语啊?
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我这样问吧:语法书上说:关系代词which引导定语从句时候,which一定要作定语从句中的宾语或主语或表语或介词的宾语时才能引导定语从句.
那这句话This is the thing which I recommend you to do.
中which顶多只能作do的宾语,并不是从句的宾语啊?
答：问得比答得还多.
这题先A.what
这个what其实是引导名词性从句（这里是其中的表语从句）的连接代词（说它是复合关系代词其实是一家之言,并不妥）,它确实相当于一个名词+关系代词which/that,
"This is the thing which I recommend you to do." 一句中,This is the thing.是主句,是一个主系表结构.表语是名词the thing,后由关系代词which引导的定语从句.which在定语从句中用to do的宾语.它不是从句的宾语,难道是主句中的宾语?
我知道你的问题所在,你想说,它（which)并不是从句中的谓语动词recommand的宾语啊?它的宾语是you啊.
请注意,which是关系代词,在从句中作宾语,但不一定非得是谓语动词的宾语,可以是其中的非谓语动词的宾语,即使是介词的宾语.
这个定语从句还原就是：I recommend you to do this thing.
所以：This is what I recommend you to do.相当于：This is the thing (that/which) I recommend you to do.
译：这就是我推荐你去做的（事情）.这里用what是说话的人不想重复,或一下子找不到合适的名词时所用的词.其实说它是关系代词是不妥的.因为关系代词是引导定语从句的,而what是引导名词性从句的.说它是包括了先行词的（复合）关系代词,在概念上仍然是有问题的,因为“复合”只是定语,你说的它还是“关系代词”.what一词就不属于关系代词!
如果非要将这个what说成是复合型关系代词,那么：This is where I was born.=This is the place where I was born.先一句中的where 岂不是得说成是复合型的关系副词了?（后一句中的where才是关系副词,引导定语从句,修饰先行词the place 的）
其实第一个Where是连接副词,引导名词性从句的.

选A ,表语从句，do是及物动词，要接宾语，what 相当于do的宾语如果:This is the thing which I recommend you to do. 这里which一定要作从句的宾语或主语或表语或介词的宾语时才能引导定语从句啊?上边那个是表语从句，你刚刚说的这个句子是定语从句。在这两种情况下是不同的额...

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选A ,表语从句，do是及物动词，要接宾语，what 相当于do的宾语

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which 引导的是定语从句，作的是the thing的定语，the thing才是后面的介词宾语，我觉得这题应该选A吧

有的，在特定的情况下

This cap is ___ (I). This is ___ ___ ___ This is the bike ___ I bought last week填空 this is my ___ day,i'm afraid This is ___ grandmother i am sure this is right. i___think this is ___.同义句转换英语翻译ABSTRACT.Food safety is a preoccupation of the European Commission,but there are major shortcomings in its governance.Reviewing legislation and practice,this paper explores the background of EU food safety institutions,and develops recomm 选择：I think this flim is ___ worth ___.A.very seeing B.well seeing.为什么? This is not ___ book.i think it's ___ book. This is (___) dress I've told you about,Isn't it (___ ) beautiful one 1.This is Mary.This is ___ ___. this is my own bike.同义句：this is ___ ___ ___ ___ ___. This is very important,___ ___? The box is light.I can carry it.这句话,怎样转换?成为 I can carry this ___ ___ . I am learning ___ (paint)in the ciass .This is ___ (I) in the class.要怎么填啊? This question is very difficult.I can't answer it.This question is ___ difficult ___me ___answer. 补全对话（英语）：如下：A:Hi,this is a photo of my ___.B:Oh!___ these your___?A:___.They are my grandparents.These are my ___.This is my father.___ name is Nick.And this is my___.Her name is Linda.B:So,is this your grandfather A:Yes,___ i 选择：I ___ this book ___ interesting.A.think,not B.think,isn't C.don't think,is选择：I ___ this book ___ interesting.A.think,not B.think,isn't C.don't think,is