问题标题:
【ireada______onprotectingwaterinanewspaperyesterday.再问多一句Ifairisfresh,wecanseeablueskya_____ourcity】
问题描述:

ireada______onprotectingwaterinanewspaperyesterday.

再问多一句Ifairisfresh,wecanseeablueskya_____ourcity

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