这些植物对新的肥料反应良好。

The plants are ___responding well to the new fertilizer.

老师在课堂上提问时，他总是第一个举手回答问题。

He is always the first one to raise his hand and ___respond when the teacher asks a question in class.

这种植物对阳光反应良好，生长得更快了。

The plant is ___responding well to sunlight and growing faster.