题目内容：

The computer( )last week has gone wrong .A.which I bought it B.I bought
为什么?

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The computer ( B.I bought ) last week has gone wrong .我上周买的电脑出问题了.这一空里要填定语从句,修饰先行词computer.引导词应该为which或that,在定从中做宾语,可以省略.A项的which I bought it错在多了个it,...