No one but her parents ______ it.A.know B.knows C.is knowing d.are knowing为什么?

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Noonebutherparents______it.A.knowB.knowsC.isknowingd.areknowing为什么?Noonebutherparents______it.A.know

No one but her parents ______ it.A.know B.knows C.is knowing d.are knowing为什么?
No one but her parents ______ it.
A.know B.knows C.is knowing d.are knowing
为什么?

No one but her parents ______ it.A.know B.knows C.is knowing d.are knowing为什么?
这个语法现象叫主谓一致
当主语有with,together with,like,except,but,no less than,as well as 等词组成的短语时,谓语动词与前面的主语部分一致.例如:
The teacher together with some students is visiting the factory.教师和一些学生在参观工厂.
He as well as I wants to go boating.他和我想去划船.
所以你这题真正的主语是No one 是第三人称单数 所以要选B No one 才是真正的主语

楼主请你这么看 No one (but her parents)
这样很显然就选B了吧
No one 才是真正的主语
后面的你可以看成定语或者同位语
你可以吧no one but作为一个固定的搭配记住

在这里,no one才是真正的主语,but her parents可以作为插入语来理解。当no one等不定代词作为主语时,谓语动词用单数,所以选B.

No one knows it but her parents.
这样写你就明白了.

明明是选A。