Task 2. Complete the sentences with the right plural 1. The (girl) are happy because they have got new (toy). 2. My (glass) for the sun. 3. Trees lose their in the fall. (leaf)
1. Market demand is g. the total demand from all consumers. 2. An improvement of technology is a change that e. makes it possible for firms to produce more goods with the same amount of resources as before. 3. Profits are a. revenue minus cost. 4. As long as the total demand and the total supply of the commodity remain equal, d. the equilibrium price will remain unchanged. 5. Part of company’s profits is put back into the business rather than c. paid out as dividends. 6. With inflation, people have to increase expenditure because h. old the level of expenditure in money terms now buys a smaller quantity of goods. 7. Profit depends on f. how much the amount received is greater than the amounts paid. 8. Opportunity cost is the amount i. an input can obtain in its use elsewhere. 9. Examining how revenues and costs change with the level of output produced and sold b. the firm can select the output level maximizing its profit.
1 ‘Does he know her well?’ ‘He (has known) her since he was a little boy.’ 2 ‘He looks fantastic!’ ‘He (has been going) to the gym a lot recently.’ 3 She’s annoyed because he (has been avoiding) her all day. 4 I'm confused because I (have not understood) the question. 5 Have you (seen) Judy today?’ ‘Yes, I saw her at lunchtime.’ 6 ‘He (has been feeling) ill since Monday.’ ‘Then why hasn’t he gone to the doctor?’ 7 ‘Have they (unpacked) all the boxes yet?’ ‘No, they’ve only just started!’ 8 Has he (been eating) enough lately? He looks a bit thin. 9 She has never (travelled) by plane before. She’s scared of flying. 10 I have been (working) on this problem for hours, but I still haven’t solved it.
girls
toys
glasses
leaves
feet