—Look at ____skirt. I bought it for mother on Mother's Day, isn't it nice?
—Oh,what ____nice present!
一根绳子用去 12 后,还剩12米,这根绳子原来有____米.
如图乙是“月宫一号”的水循环再生示意图,请根据材料提供信息用箭头将其补充完整。