作业帮Nearby were two boats----they had come to the island.A where B by which C in which D with whichHe is absent,____is often the case.A what B which C who D as第一个题正确答案是C ,不太清楚B为什么不对.第二个答案是D,和B有什么区
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Nearby were two boats----they had come to the island.A where B by which C in which D with whichHe is absent,____is often the case.A what B which C who D as第一个题正确答案是C ,不太清楚B为什么不对.第二个答案是D,和B有什么区
Nearby were two boats----they had come to the island.
A where B by which C in which D with which
He is absent,____is often the case.
A what B which C who D as
第一个题正确答案是C ,不太清楚B为什么不对.
第二个答案是D,和B有什么区别?
Nearby were two boats----they had come to the island.A where B by which C in which D with whichHe is absent,____is often the case.A what B which C who D as第一个题正确答案是C ,不太清楚B为什么不对.第二个答案是D,和B有什么区
第一题：后面定语从句的大意是他们是搭这个船来的.船与乘客的关系是人坐在穿里面,用in.by也可用于交通工具,但做这种用法时,其后面应直接加名词单数,没用冠词以及任何形式的变化,如by bike.
第二题：as is often the case可以看作是一个固定短语,as在这里指代的是he is absent.如果用which的话,则为非限定性定语从句,非限定从中,which不能指代前面整个句子.
仅供参考哈.
第二题还不明白的话,建议翻一下语法书,找一下定语从句的用法.
1、这句话的意思是如果附近有两艘船，他们就能到岛上去了。
是句虚拟语气
没有用船的意思
变成正常语序是
They had come to the island，if two boats in which were nearby.
2、as is often the case： 情况常常如此；通常就是这样情况常常如此
as is often the ...
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1、这句话的意思是如果附近有两艘船，他们就能到岛上去了。
是句虚拟语气
没有用船的意思
变成正常语序是
They had come to the island，if two boats in which were nearby.
2、as is often the case： 情况常常如此；通常就是这样情况常常如此
as is often the case (with)： 对…是常有的事
这是固定搭配。。
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