Read the sentences and choose the correct options. 1 Billas a sales assistant for five years before he became an actor. 2 The girlsTV when their mum came home. 3 Tom had a headache because hethe previcus night. 4 As Tonycomputer games, his sister was listening to music. 5 Jamesbe afraid of the dark when he was a child 6 Edof the Loch Ness Monster before he went to Scotland. 7 The secretaryall the letters by the time her boss came to work. 8 Whatat 10 o'clock yesterday morning?