1. What are you looking at? - I am looking at that picture over there. I am looking at it for almost half an hour and I still can't understand what it is. 2. What is Mary doing? - She is practising the piano. She plays since 12 o'clock. I think she must have a rest. 3. Here you are at last! I am looking for you everywhere. 4. Why are you smiling Robert? - I am watching your kitten. What a playful little thing it is! 5. I see you write letters all the morning. Is it the last letter you (to write) now? 6. You are sitting here for a long time. Are you waiting for anybody? 7. How long are you studying English? - For three years already. 8. I (to work) at my report since Monday. Now I am writing the conclusion. 9. Mary's mother is resting in the garden all day because she is ill. 10. She (to sleep) for ten hours! You must wake her! 11. David (to repair) the TV-set. He (to work) at it for an hour or so. 12. David is washing his hands. He is just repairing the TV-set. 13. Why are you all laughing? Jim isn't telling you his anecdotes? 14. It's six o'clock. I am waiting for Ann for half an hour. I must be off now.
