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МатематикаВопрос:
42.2 Write questions using the passive. Some are present and some are past. 1 Ask about glass. (how/make?) How is glass made? 2 Ask about television. (when/invent?) When 3 Ask about mountains. (how/form?) 4 Ask about DNA. (when/discover?) 5 Ask about silver. (what/ use for?)
Ответ:
- When was television invented?
- How are mountains formed?
- When was DNA discovered?
- What is silver used for?
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