填空题

Only in recent years ______ (人们才认识到节约用水多么重要).

【参考答案】

have people realized how important it is to be economical wi......

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填空题

and it seems strange that the reports of suffering could have failed to move the Government towards a greater use of its resources

填空题

It was thought that people should help themselves, and thus the Government should not intervene