Question

We were surprised to hear that the reason ____she gave for her absence was ___her mother was ill

Yes ,We saw her mother at the supermarket that morning .
A why ; that B which; that
C that ;because D why;because 为什么选B啊，C呢？
gave 后面不缺宾语么？

Answer 1

We were surprised to hear that the reason ( which )she gave for her absence was ( that )her mother was ill
句子的主干:We were surprised to hear that(这个后面都是that指代的)
其中:which she gave for her absence 引导的是宾语从句 正常的语序是这样的:she gave the reason for her absence 把the reason 拿到前面之后give就少了宾语 所以用关联词which 这里用that也可以不过后面的肯定不是because因为:
was that her mother was ill:that引导的是表语从句
she gave the reason for her absence was that her mother was ill表语从句只能是that 所以不能选C

追问

gave 后面不是双宾么？ 这样不就一个宾语了吗？ 不可以选A么，the reason why is that 做一个状语

追答

①你说的双宾语是give sb sth? 问题是这里只是she give the reason
额 非要那么说的话也可以理解成she give(us) the reason 不过没必要
②像你说的 如果选A 句子变成了这样
We were surprised to hear that the reason why she gave for her absence was that her mother was ill
抛去We were surprised to hear that 看that后面的句子:
the reason why she gave for her absence was that her mother was ill
这里的why指代不了什么东西 give后面还是缺个宾语 这样说是可以的:
the reason why she (was absent) was that her mother was ill
注意括号里的变化
the reason why后面一定是个完整的句子 因为什么什么的缘故 这个什么什么就是那个完整的句子

Answer 2

第一个空that和which应该都行，that或which为关系代词，在定语从句中做宾语。但是第二个空为that，构成表语从句，表语从句只能是that引导。这个题应该用第二个空排除CD，然后根据定语从句缺宾语选出which。

Answer 3

总的来说，这是一个宾语从句（。。。surprised to hear that 。。。）里面套了一个表语从句（。。。the reason is that。。。。），表语从句里有个定语从句（。。。the reason which she gave for her absence。。。），咱可以先把the reason后面的定语从句省掉，句子为：We were surprised to hear that the reason was ______her mother was ill.
the reason was because原因是因为，没见过，也不合逻辑吧？！The reason was that her mother was ill.表语从句。
gave的宾语是reason，she gave the reason for her absence.

Answer 4

你好！

gave后面确实是确实宾语，which和that都可以充当定语从句的宾语，这里两者可以互换，也可以省掉。
the reason....is/was that....是搭配

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Answer 5

the reason ...was ...

所以was后面不能用because, 只能用that； 排除C和D。

the reason ...was ...

the reason 后面也不可以再用why了，不然就重复了，所以选which.

答案：B。