From the story, you can tell that, at first, Percy... did not plan on inventing the microwave oven. knew from the start what he was pins to invent. knew what would happen to his chocolate bar. was upset that his chocolate bar had melted.

Задание

From the story, you can tell that, at first, Percy...

did not plan on inventing the microwave oven.
knew from the start what he was pins to invent.
knew what would happen to his chocolate bar.
was upset that his chocolate bar had melted.