25. Put the verbs in brackets into the present perfectorcontinuous,using short forms where appropriate.
1. A: How long...have.. you.. known... (you/know) Alison?
B: We...........(be) friends since we were children.
2. A: Who ............................................(use) the car?
B: I was. Is there a problem?
3. A: What are Andrew and David doing?
B: They ........................................(work)in the garden for three hours.
4. A: Why is Sally upset?
B: She............................................(lose) her bag.
5. A: I ................................................(always/believe)that exercise is good for you.
B: Of course, it's good to keep fit.
6. A: Emily..................................................(teach)maths since she left university.
B: Yes, and she's a very good teacher, too.
7. A: Fred...................................(open) a new shop.
B: Really? Where is it?
8. A: This pie is delicious.
B: Is it? I ......................................(not/taste) it yet.
9. A: Have you found your umbrella yet?
B: No, I.....................(look) for it for an hour now.
10. A: You look exhausted.
B: Well, I...............,..............(clean) thewindows since 8 o'clock this morning.
11. A: Can I have some more lemonade, please?
B: Sorry, your brother ............................................(just/drink) it all.
12. A: Have you got new neighbors?
B: Yes, they .....................(just/move) to the area.