en una tienda blank will be ( quien )
who will know first it's (un cajero)
Answer: Es bueno que nosotros ya <u>hayamos terminado</u> la tarea.
Explanation: It is good that we have already finished the task.
It’s 1, mexico they have lots of celebrations in which they celebrate the same as it says in the Text
1) son
2) somos
3) soy
4) es
5) eres
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