（１）Will you pass me the salt? Here you are.
（２）Will you come to our party? No, I won’t.
（３）Shall I open the window? Yes, please.
（４）Shall we dance? No, let’s not.
（５）Will you close the door? Sure.
（６）Shall I turn on the TV? No, thank you.
（７）Shall we eat lunch? Yes, let’s.
（８）Shall I turn off the heater? Yes, please.
（９）Let’s go to karaoke together. I’m afraid I can’t.
（10）Let’s not talk to each other about our work. Sure.