1. Mr.Smith is a doctor. He has been working in this hospital for 10 years.
2.He wrote an email yesterday.
3.We are having a birthday party tomorrow.
4. Why are you smelling these flowers - They smell well.
5. They were playing tennis yesterday at 7 p.m.
6. Its cold here. Ill close the window.
7. Kim has just passed her exams.
8.It often rains in autumn, but now its not raining.
9.She wants to have a rest. She has been walking all the morning.