People often refer to proverbs by only saying half of them and leaving the rest for the listener to ‘fill in'. Complete the proverbs in these dialogues.

1. A: Joel's always criticising people who are selfish, yet he's terribly selfish himself.
   B: Yes, well, people who live in glass houses … shouldn't throw stones.
   A: Exactly.
2. A: The people in the office have been playing computer games all day since the boss fell ill.
   B: Well, you know what they say: when the cat's away
   A: Right, and they're currently doing that.
3. A: I didn't believe those rumours about Nick and Tara, but apparently they are seeing each other.
   B: You shouldn't be so naive, you know what they say, where there's smoke
   A: Mm, I suppose you're right.
4. A: Amazing, he's made a fortune from just one little shop!
   B: Well, I think it's a case of take care of the pennies
   A: Sure, he's always been very careful with his money.