單項選擇—HowaboutbuyinganiPhone4sforyourmother’sbirthday?—O...

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