题目内容
请用本单元所学单词的适当形式填空。
Now in our countries irrigation ________ that supply the crops with water are destroyed．
答案：channels
练习册系列答案
相关题目
题目内容
请用本单元所学单词的适当形式填空。
Now in our countries irrigation ________ that supply the crops with water are destroyed．