Complete the sentences with past simple or past continuous

EX 2. Complete the sentences with past simple or past continuous:

I was walking (walk) along Regent Street when I realised (realise) that a man was following (follow) me. I turned  (turn) right and he followed(follow). Whenever I stopped (stop), he did (do), too. I decided (decide) to take the 717 bus from the bus stop just behind me. Just as the bus moved  (move) off, I jumped (jump) on. The man missed  (miss) the bus, but he got  (get) on another 717. I got  (get) off at Leicester Square with lots of other people. He didn’t notice (not notice) me getting off the bus. I immediately was heading   (head) for the nearest police station.