that’s why…还是which is why请看下面一道题：He is always really rude, _________ is why people tend to avoid him.

A.

that B.

it C.

this D.

which【分析】此题容易误选 A，因为 that’s why…是一个常用结构，同学们极易受此影响而选错，当然若此句的空格前有连词 and 或其前的逗号改为分号，则完全可选that（分别构成并列句或两个独立的简单句）。

此题的最佳答案是 D，句子后半部为一个非限制性定语从句，which 指 He is always really rude.

另外请比较以下两题（注意连词的有无：



(1) He had a lot of friends, none of _________ could lend him any money.

（选A）(2) He had a lot of friends, but none of _________ could lend him any money.

（选B）A.

whomB.

them C.

which D.

who摘自



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