1，Whose book is it? 这是谁的书？
2，Whose is this sandwich? 这是谁的三明治？
3，Whose is that shirt? 这是谁的T恤衫？
4，Whose advantage is it? 这个优势是谁得到的？
5，Whose call is it? 这个电话是谁打来的？
6，Whose decision was it? 这个谁做的决定？
7，Whose idea is it? 这是谁的主意？
8，Whose lead I should follow? 我该听从谁的领导？
9，Whose move is it? 该谁走了？
10，Whose basketball is this? 这是谁的篮球？
11，Whose bicycle is this? 这是谁的自行车？
12，Whose books are these? 这些是谁的书？
13，Whose book is this? 这是谁的书？
