Mum: (putting on her coat) I'm going to have to go down to the shop for more bread.
Alan: Why?
Mum: I'm not sure what       (happen). I made some sandwiches earlier and left them on the table      I went to answer the phone. But someone must have taken them because they're        (go).
Alan: Oh, it must have been Dad. I'm sure he was in the kitchen       (early).
Mum: No, he went off to his tennis match before I finished       (make) them, so he couldn't have done it.      , he couldn't carry a plate of sandwiches as well as all his tennis stuff, so I'm sure        wasn't him.
Alan: (opening the fridge door) Well, it wasn't me. But Mum, look! Are these your sandwiches here on the bottom shelf of     fridge?
Mum: Are they there? Oh, my goodness. I        (put) them in there when the phone rang. Oh, dear. I really must be losing my      . Now, why did I put on my coat?