根据句意和首字母提示写单词，使句子完整、通顺。
根据句意和首字母提示写单词，使句子完整、通顺。1.Whenyouarethirstyinthemountain,youcandrinkcleanwaterinas____...
根据句意和首字母提示写单词，使句子完整、通顺。
1.When you are thirsty in the mountain,you can drink clean water in a s_____.
用括号中所给单词的适当形式填空，使句子完整、通顺。
1.The water ____(pollute) in my hometown becomes serious.
2.Water is a kink of ____(value) resource.
3.The environment _____(pollute) is becoming more and more serious.
4.About 70％ of the earth is ____(cover) with water. 展开
1.When you are thirsty in the mountain,you can drink clean water in a s_____.
用括号中所给单词的适当形式填空，使句子完整、通顺。
1.The water ____(pollute) in my hometown becomes serious.
2.Water is a kink of ____(value) resource.
3.The environment _____(pollute) is becoming more and more serious.
4.About 70％ of the earth is ____(cover) with water. 展开
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