A few days ago, I received a letter from a mother in Longmont, Colorado.
几天前，我收到了一位来自科罗拉多州朗蒙特市的母亲的信。
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When eighth graders from Longmont, Colorado's Altona Middle School left for the East Coast, they knew they'd be coming to see the White House and some of d.c..
When eighth graders from Longmont, Colorado's Altona Middle School left for the East Coast, they knew they'd be coming to see the White House and some of D. c.