written,reading
第一个空过去分词,第二个空填动名词.第二个知道 worth doing 第一个讲讲谢了第一个空是过去分词written，表示被动。它和后面的by Mo Yan一起充当名词the book的定语，它可以换成一个定语从句。The book which/that was written by Mo Yan is well worth reading.