1. It **is raining** heavily now.
2. My brother **is getting** married next week.
3. He is late again. He always **is coming** to class late.
4. She **is taking** the exam tomorrow.
5. Look! It **is getting** dark. Hurry up! It **is going to rain** in a few minutes.
6. Please don’t (make) so much noise. I **am working**.
7. I **am reading** an interesting book at the moment. I will lend it to you when I’ve finished it.
8. Sarah **is working** this week? - No, she is on vacation.
9. The population of the world **is rising** very fast.
10. I **am working** on the project of reconstructing the city at present.
11. She is on vacation in France. She **is having** a great time and doesn’t want to come back.
12. Tom **is looking** for Ann. Do you know where she is?
13. I **am thinking** of my mother, who has devoted her whole life to our family.
14. It is the time we turned on the central heating. It **is getting** colder every day.
15. I **am going** out to get an evening paper.