问题
选择题
They have a small apartment______ the third floor of a _____ apartment block.
A．in ; five- storey
B．on ; five-storey
C．on; five storeys
D．in ; five storeys
答案
B
题目分析：句意：他们在一个五层公寓楼的三楼有一个小套房。在三层楼上，应该用on the third floor; 要用“五层的”做定语，可以说：five-storey 或five-storeyed。