Choose the correct preposition of time to complete the sentence: before / after / during / for
Example Please don't speak _____ the presentation.1 of 5 The film ends at 6 o'clock. I will see you at 6:30. I will see you _____ the film.2 of 5 He lived in that house _____ 20 years.3 of 5 You need to brush your teeth _____ going to bed.4 of 5 We eat chocolate cake _____ dinner.5 of 5 They traveled _____ 6 weeks. 
