1. A: Long time no see. How are you, Bob? 

    B: I’m fine. Thanks. 

    A: Wow! You can go cycling now. You couldn’t go cycling two years ago. 

2. A: What’s your pen pal like? 

    B: She’s quiet and polite. She had short hair before, but now she has long hair. 

3. A: Excuse me, is there a library near here? 

    B: No, there was a library here before. But now there is a cinema. 

4. A: What’s your favourite season? 

    B: I like winter best. 

    A: Really? Why? 

    B: Because I can ice-skate.