题目内容
10．The old man has been away from his motherland for 30years．（对划线部分提问）Howlonghas the old man been away from his motherland？
分析 这个老人离开他的祖国三十年了
这个老人离开他的祖国多久了？
解答 答案：How long．根据划线部分for 30years．可知，提问的是时间段，故疑问词选择How long．
点评 对划线部分提问要分析划线部分在句子中的成分，即可找出恰当的特殊疑问词，特殊疑问词之后紧跟一般疑问句．
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