Read these sentences and choose the right variant.

1. When I _ at the airport, I was told my flight would be delayed.

checked out
checked in

2. I hate to_questionnaires.

fill in
fill out

3. If you write in pencil and make a mistake, you can _.

rub it in
rub it out

P: our special guest in the studio today is bob bubble. welcome to the show, bob. b: thanks. it's great to be here. p: you are only 21, but you have already sold 10 million records. how old were you when you wrote your first song? b: i was 15. p: didyou take vocal lessons when you were a kid? b: no, i didn't. my parents hoped that i would become a lawyer. so i sang and wrote my songs in secret — late at night in my room, when everyone was sleeping. when my first album appeared, my parents were shocked. my father said that i had disappointed him. p: is he still  disappointed in you? b: no. i think he is proud of me. p: how many songs have you written ? b: about 150. p: bob, i know you do not have much free time, but what do you usually do when you're not busy singing? b: well, i am fond of windsurfing. p: one last question, bob. are you married? b: not yet. i will get married only when i meet the girl of my dream