她最喜欢的颜色是绿色。

Her favorite color is ___green.

她只购买绿色环保的产品。

She only buys ___green products to protect the environment.

虽然他很聪明，但在处理人际关系方面还很稚嫩。

Though he's smart, he's still ___green in handling relationships.

春天的田野一片绿意盎然。

In spring, the fields are beautifully ___green.