Exercise 2
1, 1. B - I'm asking about yesterday.
2. A - I'm asking about today.
2, 1. B - It is now the afternoon.
2. A - It is still morning.
3, 1. B - Sally is a detective.
2. A - Sally used to be detective.
4, 1. A - He finished them and went home.
2. B - He is doing the accounts now.
5, 1. B. She's just bought a new pair.
2. A - She wears contact lenses now.
6, 1. B - Now it is winter.
2. A - It is still the summer.
