Очень прошу помочь!Помогите кто-нибудь с английским.

1. was phoning / arrived2.opened/ rang3. Was/ saw4.did /saw5.cut/ was shaving 6.was reading / went7.were you waiting8.was he/ noticed9.were you doing10.was walking/ started11.was sitting/ began12.came/ looked / went 13.was she laughing/ saw14.had/ laughed 15.were waiting/ arrived16.was coming17.was having/ started