1.
A. Have you seen
B. I haven't talked to her since Monday.
2.
A. Why aren't you testing the cheese?
B. It smells strange.
3.
A. Where are you going?
B. Shopping. Do you need anything?
4.
A. You look tiered.
B. Yes. I have been working since 9 o'clock this morning.
5.
A. Where does Tony live?
B. In London - but at the moment he stays in Bath.
6.
A. How long you have been waiting for the train?
B. I have been here since 10 o'clock.