根据句子意思,用括号中所给汉语提示或英语单词的适当形式填空.(每空一词)
①Standing on the ceiling, you look up and see beds and tables and even toilets! Such a house is really a great{#blank#}1{#/blank#}(创意).
②The coach{#blank#}2{#/blank#} (保持不变)where he lay, unable to say a word.
③He always has a lot of energy. I wonder what he does to keep himself in high {#blank#}3{#/blank#}(精神).
④{#blank#}4{#/blank#}(对话)are supposed to take place between the family in a friendly way.
