The phrase 'el calendario' is correct because 'el' is the masculine singular definite article that agrees with the masculine singular noun 'calendario'. Proper agreement in gender and number is essential in Spanish. An example of proper use is 'la casa' for feminine nouns. ;
'El calendario' is correct because 'el' matches the masculine noun 'calendario'. It demonstrates proper agreement in gender and number in Spanish. This agreement is crucial for grammatical accuracy.
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