La cajera me dio el recibo y lo guardé en mi bolsa.

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Breakdown of La cajera me dio el recibo y lo guardé en mi bolsa.

• en: in
• mi: my
• y: and

Questions & Answers about La cajera me dio el recibo y lo guardé en mi bolsa.

Who is the subject in each clause? Why is there no “yo”?

• In the first clause, the subject is La cajera.
• In the second clause, the subject is yo, understood from the verb ending -é in guardé (first-person singular preterite). Spanish normally drops subject pronouns unless needed for emphasis or contrast. You could add yo for emphasis: …, y yo lo guardé…

Why cajera and not cajero?

Cajera marks a female cashier. For a male cashier you’d say el cajero. A gender-neutral workaround is something like la persona de caja or quien estaba en caja, since fully neutral forms aren’t standard in most of Latin America.

Do I need the article La before cajera?

Yes, because you mean a specific person: La cajera = “the cashier.” If it were indefinite, you’d use Una cajera. Dropping the article (Cajera me dio…) is ungrammatical here.

Why me dio and not dio a mí?

me is the required indirect object pronoun (“to me”). You can add a mí for emphasis or clarification: La cajera me dio el recibo a mí, but you cannot replace me with only a mí; the clitic me is obligatory.