1. We are having a meeting at 7 o'clock tonight. Can you come?
2. She has written three letters since this morning.
3. I think you are right but Paul doesn’t agree.
4. Don't disturb him. He is working at his report now.
5. Excuse me, do you speak English?
6. Bob is very tired. He has been working all day long.
7. Marie isn't s Canadian. She comes from France.
8. I wonder how Julie is getting on. I haven’t heard from her for nearly a week.
9. He has lost his keys. He can't get into the house.
10. I have been waiting for you for two hours. Where have you been?