我把水果放在盆里洗干净。

I washed the fruits in the ___basin.

长江流域是中国重要的农业生产区。

The Yangtze River ___basin is a crucial agricultural region in China.

这个盆地曾经是一个大湖，但现在完全干涸了。

This ___basin used to be a large lake, but now it's completely dry.