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Нужна составить 8 простых предложений, отвечая на эти вопросы, пользуясь текстом)

1. It's non-leaking ballpoint pen.
2. It was invented by the Hungarian brothers Lazlo and Georg Biro. 
3. It was invented in 1935.
4. Yes, there was a ballpoint marker. It was invented by John Loud. 
5. Because John’s marker leaked, making it impractical for everyday use.
6. The brothers patented their invention and then opened the first ballpoint manufacturing plant.