她最喜欢穿各种色调的黄色衣服。

She loves to wear different shades of ___yellow.

园丁发现玫瑰的叶子变黄了，可能是感染了黄化病。

The gardener noticed the rose leaves turning yellow, possibly infected with ___yellows.

别听他吹牛，他其实就是个胆小鬼。

Don't listen to his bragging - he's just a ___coward at heart.