tho old man ,_____abroad for twenty years ,is on the way back to his motherlandA.to work B.working C.to have worked D.having worked 为什么选D?最好分析一下其他选项!

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• 14.The old man,________ abroad for twenty years,is on the way back to his motherland.A.to work B.working C.to have worked D.having worked 15.The picture ________ on the wall is painted by my nephew.A.having hung B.hanging C.hangs D.being hunDB 为什么
• tho old man ,_____abroad for twenty years ,is on the way back to his motherlandA.to work B.working C.to have worked D.having worked 为什么选D?最好分析一下其他选项!
• 14.The old man,________ abroad for twenty years,is on the way back to his motherland.A.to work B.working C.to have worked D.having worked 15.The picture ________ on the wall is painted by my nephew.A.having hung B.hanging C.hangs D.being hunDB 为什么
• The old man ,having worked abroad for twenty years,is on his way back to hi这句话还原后应该是:who worked abroad...而不应该是who has worked...因为我认为“这位老人在国外工作二十年是过去的事了,现在已经是在回国的途中了.我们不能因为有了for+一段时间就要用完成时,这是对现在完成时的误用.有下列句子为证：He studied in Beijing University for four years.NOw he works in a company.如果这里用has studied就完全错了.你的看法呢?