被遗忘在潮湿车库里的旧报纸慢慢腐烂了。

The old newspapers forgotten in the damp garage slowly ___moldered away.

那些珍贵的画作被遗弃在潮湿的地下室里，慢慢朽烂。

The precious paintings were left in the damp basement and slowly ___moldered away.