Поставьте следующие предложения в вопросительную и отрицательную формы. Предложения переведите. 1- We must use the new tools to cut and form this metal part.
2. This equipment can produce parts with very high accuracy.
3. They could easily define the properties of this material.
4.He may complete all necessary measurements himself. see some
5. With the help of a new device the scientist could see some strange rays.

ulianiabelka    1   17.12.2020 19:13    50