.---Sorry, Mum. I’ve lost my pen again.
I_____it! You never remember to put your things away after using them.

Hi, Bill. I _____ you _____ in this city. How long have been here?

.---I’m sorry, but there’s no smoking room in this section on the train.
　 ---Oh, I _____ that, and I won’t smoke again.
　 

---Remember the first time we____ , Ed ?
　 ---Of course, I do. You _____ a song on the stage.

  – Will you go with us to the National Park?
--- Well, it _______.

  I stood there patiently until he ________ his work.

  I could have helped him out, to tell the truth, I _____ too busy.

  They climbed rocks, _____rivers and settled in the valley.

  – Either you have made a mistake or he has.
--- I _________.

   What a big surprise to see you here! I _______ you ____ still abroad.