Предмет: Окружающий мир, автор: dasha7556

помогите срочно,дам 50 баллов

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Автор ответа: sliva5661

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1 пищевая цепочка животных в природе

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2. Fill in the blanks with the proper forms of the in nitive.
1. We didn’t believe you ... it.
A. to do C. do
B. to be done D. to have been done

2. The teacher wishes them ... part in the conference. A. to have been taken C. to be taken
B. to take D. take

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A. to use B. use C. to be used D. be used

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7. The teacher supposed the students... the text about engineering ma- terials.
A. to be read C. to have been read B. read D. to have read

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There are various clases of materials. They can be divide into two groups: metals and non-metals. Metals includes ferrous and non-ferrous metals. Cast iron and steel is common ferrous metals. Copper and aluminium is non-fer- rous metals. Non-metals embraces polimers, ceramics, etc.

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