Read and listen.complete the answers.practise the questions and answers. ls there a sofa? yes, there . is there a fire? no,there . are there any chairs? yes, there . how many chairs are there? there a lot. are there any books? no, there .

Ls there a sofa? yes, there is. is there a fire? no, there is no fire. are there any chairs? yes, there are many chairs. how many chairs are there? there are a lot of chairs. are there any books? no, there are no books.

1. they are starting a new sales campaign next week. - pres cont active 2. in a situation of full employment, the supply of most goods and services will be inelastic. - future simp act 3. some economists emphasize the role of profit as a necessary incentive for innovation. - pres simp act 4. while we were discussing cost-cutting measures, the gm was presenting the poor results. - past cont act 5. when did you reach the break even point? - past simp act 6. in many countries economic development has led to periods of rapid population growth. - pres simp act 7. nothing has been touched since you left. - pres simp passive 8. she said she would be working on her thesis for the next three months. future in the past continuous act 9. we have been developing this product for three years. pres perf count act 10. whole forests are being destroyed. pres cont pass