Final answer:
The word that best completes the sentence is 'lees', which means 'to read' in Spanish.
Step-by-step explanation:
The word that best completes the sentence is lees. In Spanish, escribes y lees means 'you write and read'. The verb 'lees' is the correct form of the verb 'leer', which means 'to read'. The other options, 'leer', 'leo', and 'leí', do not match the conjugation for the subject 'tú' ('you').
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