2. The vapours of the different components _don’t_ condense on collectors at different heights.
3. Refining process _doesn’t_ involve removing the impurities.
4. Building cars _don’t_ take a long time from research to final development.
5. Engineers _don’t_ modify existing parts and features for the new model.
6. Marketing team _doesn’t_ promote final products.
7. We _don’t_ taste our products in different conditions.
8. Researchers _don’t_ analyze the answers and _don’t_ suggest the way to solve the problem.
9. The chemical industry _doesn’t_ cover the business that use chemical reaction to turn raw materials into different products.
10. Electrical engineering _doesn’t_ deal with the practical application of the theory of electricity.
11. Civil engineering _doesn’t_ cover different areas such as design and construction of roads, buildings, canals, airports, water-supply systems and so on.
12. Information systems _do not_ collect, organize, store, process, retrieve and display information in different formats .
13. Logistics _doesn’t_ describe the organized movement of physical materials in a factory.
14. Vapour from the liquid _doesn’t_ escape into the air.
Use the definite or indefinite article where it is necessary:
1)The boy pulled the dog by ear and it bit him.
2)At the Height of 3000 metres it is difficult to breathe.
3)The music interferes with me.Switch off the radio.
4)He asked for a permission to leave.
5)I dont want to do shopping
Fill in blanks with prepositions where it is necessary:
1)How dare you shout at her?
2)There is something strange in the man
3)Do not mention this name in his presence
4)The vase was painted in brown.
5)It was a long voyage.We were in sea for 30 days.
