Error Correction units 1 and 2

Each of the following sentences could contain an error or errors. Tick () the sentences that are correct. Correct the sentences that are wrong.

1. A: Look at Sally. What she does?
   B: She waits a bus.
2. A: How much do you go in Paris?
   B: I go in Paris twice at year.
3. A: Where she does work?
   B: She normally work at Milan but at the moment she work at Rome.
4. A: We meet at 8 pm?
   B: That's a good idea!
5. A: We meet at 8 pm, right?
   B: No, I've told you three times! We meet at 7 pm!
6. A: So are you going to come to my party on Saturday?
   B: I'm not sure. I may not. I have a lot of work to do.
7. A: Mum, I'm hungry!
   B: OK, I make you something to eat in a moment.
8. A: What you do next weekend?
   B: I go in Palermo.
9. Look at the sky. It's black! It will rain.
10. A: I can't do this exercise.
    B: I help you.
11. A: I can't do this exercise.
    B: I help you?
12. I have never been in Germany.
13. A: How much time do you know him?
    B: I've known him 10 years ago.
14. A: Where have you been yesterday?
    B: I haven't gone out yesterday.
15. A: Has David spoken to his boss about missing the meeting next week?
    B: Yes, he has. He told him yesterday.
16. A: Is Mark arrived yet?                                                                                                  B: No, he has only left home 5 minutes ago.
17. A: Would you want a coffee?
    B: No thanks, I've just had it.
18. A: How long is she living in Rome?
    B: Since 3 months. She have just began university.
19. A: Have they been married long?
    B: I think they got married last June.
20. A: How long is she waiting?
    B: I'm not sure but I think she is here since about 2 pm.