Past narratives

Put the verbs in brackets into the correct past form: past simple, past continuous, or past perfect.
It (be) Tuesday evening and I (get) ready to go to bed when the phone (ring). To my surprise it (be) my friend Peter. He (call) from his mobile and he was very annoyed because he (lose) his keys and he (cannot) get into his flat. He (think) he (leave) them at work but now it was midnight and the office was closed so he (cannot) get in to check. Luckily I had the keys to his flat because a month before he (give) me a spare set so that I could look after his cat while he was on holiday. When he finally (arrive) to pick them up, it was three o'clock in the morning, and I (lie) on the sofa fast asleep.