For their 20th anniversary, he took his wife back to the rock where he proposed to her.
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it depends on what you got in the sentence.
He etched his name into the rock.
Igneous is a type of rock.
The rock had a scratchy, rough texture.
The rock left a colored streak on the marble.
I want to be a drummer in a rock and roll band.
The rock rocked the rock show like a rock star! This is one of many examples for sentence usage.
Yes, the compound word 'rock collection' is the noun in the sentence. The noun 'rock collection' is a word for a thing.
The rock is made up of many things, composite.
It is important to learn how to use new vocabulary in a sentence. While we were exploring we found a metamorphic rock.
Example sentence - The landscape looked awful after the miners left it rock strewn and deplete of vegetation.