The book ____ ____ l heard was written twenty years ago .
The book ____ ____ l heard was written twenty years ago .
不同意楼上意见 本人答案: of which hear of 表示“听说,听过” 题中作为名词性从句,整句话可理解为“我听说的那本书是20年前写的。” 供参考
in which The book in which l heard was written twenty years ago .
答:中有很多,you may find some.详情>>
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