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He has been away for a week.___ ____ ____ he been away?对划线部分提问 还有一题He has been here since yesterday.____ ____ ____he _____ ____?能稍微讲解一下不能.

题目详情
He has been away for a week.___ ____ ____ he been away?对划线部分提问 还有一题
He has been here since yesterday.
____ ____ ____he _____ ____?
能稍微讲解一下不能.
▼优质解答
答案和解析
How long has
for a week 表示一段时间,提问用多久,即how long
How long has,been here
since 自从.起,提问也用多久 how long