因为房地产具有独一无二性，所以房地产不具备完全替代性。( )
参考答案：对
The victims of the accident demanded that the case ______ at once.
A．would be looked into
B．should look into
C．be looked into
D．look into
福斯塔夫这个形象出现在莎士比亚的历史剧《（）》和喜剧《（）》中。
