橙色和黄色的色调在天空交融。

Orange and yellow ___tones blend in the sky.

这面墙刷成了三种不同的绿色调。

This wall is painted in three different ___tones of green.

她用温和的语气安慰那个哭泣的孩子。

She comforted the crying child with a soft ___tone.

他的演讲采用了一种乐观的基调来鼓舞听众。

His speech adopted an optimistic ___tone to inspire the audience.