Laos has a land area comparable to Great Britain but a population of only 4 million people, many of whom are members of hill tribes ensconced in the virtually inaccessible mountain valleys of the north.
comparable to Great Britain but a population of only 4 million people, many of whom
comparable to that of Great Britain but a population of only 4 million people, many of whom
略
略
略
Whom为啥可以省略?
不能省,已经更新了。
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B中,but前面为什么没有逗号?whom是因为作为宾语所以省略吗?
不是,题目打错。
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