25. put the verbs in brackets into the present perfectorcontinuous,using short forms where appropriate. 1. a: how .. you.. (you/know) alison? b: ) friends since we were children. 2. a: who ) the car? b: i was. is there a problem? 3. a: what are andrew and david doing? b: they )in the garden for three hours. 4. a: why is sally upset? b: ) her bag. 5. a: i /believe)that exercise is good for you. b: of course, it's good to keep fit. 6. a: )maths since she left university. b: yes, and she's a very good teacher, too. 7. a: ) a new shop. b: really? where is it? 8. a: this pie is delicious. b: is it? i /taste) it yet. 9. a: have you found your umbrella yet? b: no, ) for it for an hour now. 10. a: you look exhausted. b: well, ) thewindows since 8 o'clock this morning. 11. a: can i have some more lemonade, please? b: sorry, your brother /drink) it all. 12. a: have you got new neighbors? b: yes, they /move) to the area.