那是一个寒冷、灰暗的早晨。

It was a cold, ___grey morning.

虽然现在是春天，但昨天是个灰暗的日子，有云和雨。

Although we are in spring, yesterday was a ___grey day with clouds and rain.

随着风暴临近，天空变得灰暗。

The sky turned ___grey as the storm approached.