1. sometimes their money when they start their own business without special knowledge - losing - loose - lose - are losing 2. i think that you will be able to sell your computer, but at $700 there demand at all for a used notebook. - will have been - will be - is - is being 3. a few days ago fma keycharge bank card system. - was launching - is launching - launched - launches 4. if the demand for popcorn suddenly decreases, the demand for popcorn too. - is decreasing - decreases - will decrease - will have decreased 5. any economy can produce goods and services only if it of the right resources. - has got - don’t have - had got - has no 6. one of the disadvantages of economic growth is that it air and water pollution. - has to - can - must - might 7. originally people coins locally but later state accepted this responsibility. - were minting - minted - was minting - mints 8. we money at a very early age. - learning - learned - learn - were learning