Elige la preposición de tiempo correcta para completar la frase: before / after / during / for
Ejemplo Please don't speak _____ the presentation.1 de 5 The film ends at 6 o'clock. I will see you at 6:30. I will see you _____ the film.2 de 5 He lived in that house _____ 20 years.3 de 5 You need to brush your teeth _____ going to bed.4 de 5 We eat chocolate cake _____ dinner.5 de 5 They traveled _____ 6 weeks. 
