Zad. 4. Complete the sentences with the Past Simple or Past Continuous form of the verbs in brackets. 1. Yesterday I ..........(study) in my room when suddenly the door...........(open). 2. L........................( discover ) that John and I. .............( live ) in the same town. 3. We ...........(buy) some sweets when our Mum ...............( call) us. 4. | ...........(play) basketball when I ..( twist ) my knee.