Eres alto translates to you're tall and Usted es alto translates to You are tall.
So I'm going to go with D
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Puedes hablar sobre "cumpleaños de alguien" o "el primer día de clases"
Answer:
In 1988, the President
Ronald Reagan
expanded so
it would cover a whole month:
from September 15
to October 15.
Explanation: