单选题 During the summer holiday season, it is difficult to find a(n)______room in the hotels here.
【正确答案】 B
【答案解析】解析:vacant空闲的,指地方没有被占用。empty空的,指里面什么东西也没有。free空的,指清除了或缺少了某物,与of或。from连用。deserted被遗弃的。