阅读下面材料，在空白处填入适当的内容（1个单词）或括号内单词的正确形式。
Swedish businessman Nile is ____  (delight) with his new hotel, the world’s first igloo (冰屋) hotel.
   (build) in a small town, it has been attracting lots of visitors, but soon the fun will be over. In two week’s time Nile’s ice creation will be nothing more than a pool of water. “We don’t see it as a big problem,” he says. “We just look forward to       (replace) it.”
Nile built his first igloo in 1991 for an art exhibition. It was       successful that he designed the present one,     measures roughly 200 square meters. Six workmen spent more than eight weeks       (pile) 1,000 tons of snow onto a wooden base; when the snow froze, the base was     (remove).
After their stay, all        （visit）receive a survival certificate(合格证) recording their success. With no windows, nowhere to hang clothes and temperatures below 0℃, it may seem more like a survival test     a relaxing hotel break. “It’s great fun,” Nile explains, “As well as a good start in survival training.”
The popularity of the igloo is beyond doubt: it is now attracting tourists    【小题10   all over the world. At least 800 people have stayed at the igloo this season even though there are only 10 rooms.