One day, they saw a big, scary dog.
Meaning: This sentence tells us that one day, the cat and the mouse saw a big, scary dog.
Choice of Words: One is a number that represents the first in a series. Day is a period of 24 hours. They is a pronoun that refers to the cat and the mouse. Saw is a verb that means to perceive with the eyes. A is an indefinite article that refers to one of something. Big means large in size. Scary means causing fear or alarm. Dog is a common house pet.
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Related Expressions