Some of them come from Americe and some ___England or Canada.A.be come form B.is from C.are from选什么?为什么?

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Some of them come from Americe and some ___England or Canada.A.be come form B.is from C.are from选什么?为什么?

Some of them come from Americe and some ___England or Canada.A.be come form B.is from C.are from选什么?为什么?
Some of them come from Americe and some ___England or Canada.A.be come form B.is from C.are from
选什么?为什么?

Some of them come from Americe and some ___England or Canada.A.be come form B.is from C.are from选什么?为什么?
答案是 C.are from
Some of them come from America and some (are from) England or Canada.
some of them 是复数,所以后面要用 are from 复数动词
没有 some be 这个词型
也希望点击“选为满意答案”及时采纳,

C。。。and 连接前后两个,说明后面的some 也是指他们中的一些,既然是他们中的一些了,就是复数形式,B跟C里就选C啦,来自有come from或be from,没有be come form

come from =be from (be 的形式取决于主语) 主语some 代替的是复数概念,根据数形一致原则,不能是is from .明白了吗?
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