This is Tom's bike.(对画线部分提问)
问题描述：
This is Tom's bike.(对画线部分提问)
Tom's是画线部分
答
Whose bike is this?
或：Whose is this bike?回答的格式是_____ ______is this？那应该是Whose bike is this?吧但是你确定么？谢谢回答确定噢，3Q