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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?) 2 Ask about television. (when/invent?) 3 Ask about mountains. (how/form?) 4 Ask about DNA. (when / discover?) 5 Ask about silver. (what/ use for?)
Ответ:
- How is glass made?
- When was television invented?
- How are mountains formed?
- When was DNA discovered?
- What is silver used for?
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- 42.4 Instead of using somebody, they, people etc., write a passive sentence. 1 Somebody cleans the room every day. 2 They cancelled all flights because of fog. 3 Somebody accused me of stealing money. 4 How do you use this word? 5 The price includes all taxes. 6 People warned us not to go out alone. 7 We don't use this office any more. 8 They invited five hundred people to the wedding.
