The appropriate word to fill in the blank is 'with'. The sentence should read: The sky is covered with thick rain clouds.
The appropriate word to fill in the blank is with.
The sentence should read: The sky is covered with thick rain clouds. In the given sentence, 'covered' is the verb and 'thick rain clouds' is the object.
When we say the sky is 'covered with' clouds, it means that there are a lot of clouds in the sky, blocking the view of the sky itself.
The phrase "covered with thick rain clouds" vividly paints a picture of a sky obscured by a substantial layer of clouds, suggesting potential rain. It provides a descriptive and atmospheric quality to the statement, allowing readers or listeners to visualize the scene with greater detail.
The use of "with" in this context establishes a connection between the verb "covered" and the object "thick rain clouds," indicating the composition of the covering and contributing to the overall clarity and specificity of the sentence.