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he has been away for a week.(对划线部分提问 划线部分是:for a week)_____ ______ ______ he been away?

题目详情
he has been away for a week.(对划线部分提问 划线部分是:for a week)
_____ ______ ______ he been away?
▼优质解答
答案和解析
How long has,问时间长短用how long