3 answers
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person
Sra
A person must have very good eyesight to work with beads.
Sra
The subject is the noun or pronoun that the sentence is focused on. In this case, the subject is "a person".
To verify this, you can try finding the answer to the question "Who must have very good eyesight to work with beads?" The answer would be "a person." Hence, "a person" is the complete subject of the sentence.