根据下列句子的结构和所给汉语的意思，写出这一单词的正确形式 小题1:People in that city are doing their best to (保护) their cultural relics. 小题2:I think the biggest environment problem in my country is air (污染). 小题3:We’ll use up all the coal underground. We have to develop new kinds of (能源). 小题4:What are the (优势) of having a mobile phone? 小题5:According to the weather report, a snow storm is (可能的) to come this weekend. 小题6:I am just (好奇的) about what would be the end of the story. 小题7:All the teachers thought (高度) of the boy’s performance at the speech contest. 小题8:The painter looked so (疲倦的) after working for a whole day. 小题9:It’s quite difficult to (说服) my father to give up smoking. 小题10: (渐渐地), he got used to the life abroad.