1. My sister has been doing her homework since morning.
2. Have you ever eaten Thai food?
3. Kate has cooked dinner. She is cleaning the flat now.
4. My brother has been working in the garden since morning.
1. Can I help you? - B) No, thank you, I’m just looking around.
2. Could you change these shoes, please? - D) Why do you want to change them?
3. Are you being served? - A) No, I am trying to find a coat, size 42.
4. Do you like to try this dress on? - C) Yes, it’s a lovely dress.