- They're very useful.
- If they're asking too many personal questions, it's okay not to answer.
- They're already here!
- Women are more successful at infidelity than men - they're better liars.
- The cheapness and ubiquity of plastics, and the problems caused when they're carelessly thrown away, blind us to the utility and versatility of these marvellously mutable materials.
- I wonder if he'll complain if they're used against him.
- they are