entre una máquina de vapor y una de combustión interna Qué porcentaje de energía se aprovechan en el movimiento de la máquina
Respuestas a la pregunta
Respuesta:
13. Write a small composition; at least 100 words
using present progressive answering the
following questions.
Are you good at doing lots of things at the same time?
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What are you doing now, apart from practising your
English?
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