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Задайте общие вопросы к следующим предложениям:
1.Timber is an important building material.
2.Steel finds its use in corrugated sheets for roofing.
3.Plastics are arificial material.
4.Plastics have some good advantages.

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Ответы и объяснения

Лучший Ответ!
2013-03-13T13:37:54+04:00

1. Is timber  an important building material?

2.Does  steel find its use in corrugated sheets for roofing?

3. Are  plastics  arificial material.?

4. Do  plastics have   some good advantages?