【名词性从句】no one can be sure _ in a million yearsA what man will look like B that what man will look like 为什么不选B 不是有个句型是 I am sure that 主语+be sure 后面应接上that从句啊

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【名词性从句】no one can be sure _ in a million yearsA what man will look like B that what man will look like 为什么不选B 不是有个句型是 I am sure that 主语+be sure 后面应接上that从句啊
【名词性从句】no one can be sure _ in a million years
A what man will look like
B that what man will look like
为什么不选B
不是有个句型是 I am sure that
主语+be sure 后面应接上that从句啊

【名词性从句】no one can be sure _ in a million yearsA what man will look like B that what man will look like 为什么不选B 不是有个句型是 I am sure that 主语+be sure 后面应接上that从句啊
同学,很高兴回答你的问题
正确答案：选A
因为what 也可以引导宾语从句,并且在宾语从句中还充当成分,在本句中what在宾语从句中充当表语,而that只可以引导宾语从句,但是在宾语从句中不充当成分,所以就不用that引导了,that不能和what重复使用.
翻译：没有人知道一百万年以后人会是什么样子.
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不明白请继续追问,
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我不知道，我觉得A读起来比较顺╮(╯_╰)╭

因为这个是名词性从句，that 是引导名词性从句在句子不缺少成分时且放在句首才要用that 其他情况下不随便用

no one can be sure 加句子是什么从句呢?为什么 sure 是什么成分什么词性? 【名词性从句】no one can be sure _ in a million yearsA what man will look like B that what man will look like 为什么不选B 不是有个句型是 I am sure that 主语+be sure 后面应接上that从句啊 No one can be 高中英语名词性从句问题No one could decide______new words should be ______ in the language.A.what,includingB.what,includedC.when,includingD.how,included详细讲解!我选的D 答案是B no matter+疑问词能引导名词性从句吗? 英语名词性从句No one knows who he was waiting for.为什么用who,不管看主句还是从句都是宾语,难道不是用whom么请问He is doutful how the work can be finished this week.是个什么名词性从句? 我们都知道there be句型是倒装句那么它处于从句中?RT there be句型都是倒装句而名词性从句中从句应该改回陈述句语序那么为何 No one kows exactly whether there is life on other planets.这句中由whether引英语语法名词性从句什么是名词性从句名词性从句语法名词性定语从句什么是名词性从句? 什么事名词性从句名词性从句是什么? 英语名词性从句名词性从句,.33. 名词性从句详解