1. I don't know this girl. I have never met her before.
2. "Where is Mother?"-"She has just gone out.
3. "Don't you know what the film is about?"-"No, I haven't seen it.
4. Don't worry about the letter. I have already posted it.
5. "Is he a good teacher?"-"Oh yes, he has helped me a lot."
6. I know London perfectly well. I have been there several times.
7. I can't find my umbrella. I think, somebody has taken it by mistake.
8. "Do you speak Spanish?"-"No, I have never studied it.
9. "Do you know where they have gone?"-"No, they have sold their house and haven't left their new address."
1. I'm tired. I'm going to bed now. Goodnight!
2. We can go out now. It isn't raining any more.
3. "How is your new job?" "Not so good at the moment. I am not enjoying it very much."
4.Catherine phoned me last night. She's on holiday in France. She is having a great time and doesn't want to come back.
5. I want to lose weight, so this week I am not eating lunch.
6. Angela has just started evening classes. She is learning German.
7. I think Paul and Ann have had an argument. They aren't speaking to each other.