中文谷Iwanttoknowhowlong A．hashebeenb...
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問題詳情：
I want to know how long
A．has he been back B．has he come back C．he has been back D．he has come back
【回答】
C
知識點：狀語從句
題型：選擇題
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問題詳情：
I want to know how long
A．has he been back B．has he come back C．he has been back D．he has come back
【回答】
C
知識點：狀語從句
題型：選擇題
