When they cleaned up the painting they discovered a Holbein underneath.

他们擦这幅画时发现下面有一幅霍尔拜因的作品。

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When the targeted area was cleaned up Thursday morning and the first truck was loaded, village children suggested they take more bags into other neighborhoods.

VOA: standard.2010.04.01

When she was done, everyone sang together as they cleaned up the room to prepare for the next activity.

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