問題詳情:
單項選擇
— How about buying an iPhone 4s for your mother’s birthday?
— Oh, maybe it’s too expensive, Dad. Do you know _______?
A. how much does it cost B. how much it costs
C. how much it cost D. how much did it cost
【回答】
B
【解析】本題是特殊疑問句作賓語從句,要用陳述句語序。故選B
知識點:賓語從句
題型:選擇題