Completa las frases con la forma correcta del verbo que se encuentra entre paréntesis.
Ejemplo She was excited because she ____ (plan) her trip to Italy.1 de 8 They ____ (not/talk) when the phone cut out.2 de 8 _____ you _____ (research) the problem for long when you found the solution?3 de 8 Adam and Natalie ____ (know) each other for years when they started dating.4 de 8 I needed a change. I ____ (live) in New York for a long time.5 de 8 Sally ____ (work) as a waitress for 5 years when she went back to university.6 de 8 _____ Toni and Julie _____ (date) long when they broke up?7 de 8 She _____ already _____ (see) that film in the cinema when they watched it on DVD.8 de 8 I was so frustrated. I ____ (write) my story for 2 weeks when I lost my notebook.