Exercise5. Поставить глагол-сказуемое в соответствующее время: 1. Energy and building material of a body are supplied by many kinds of food.
2.  Much attention must be paid to the nutritious value of foods in our country.
3.  Bottling and canning are widely being used now to preserve vegetables and fruit.
4. Various effects of foods were studied by ancient Greek philosophers.
5.  A great contribution to the food chemistry has already been made by our chemists.​

SilverSalt    1   05.11.2020 08:02    68