[解析]
(1)D.细节理解题.根据Harkin had known my travel plans and had arranged everything;how could he have booked the room only for three days?There was nothing to be done but to find another hotel.可知,由于Harkin的错误,我不得不再找一家宾馆.故选D.
(2)A.推理判断题.根据The room itself was big,but the air conditioning couldn't keep up with the Australian heat可以推测出,天气很热.故选A.
(3)B.推理判断题.根据But she warned me that they were probably full and that if I didn't take the room,it might not be available if I came back.可以推测出,之所以订了假日酒店的房间是因为房间需求很大,其他酒店可能都没有房了.故选B.