pouvez vous complété svp

Mets les vb au prétérit ou au prétérite be+ing dans ce récit 

one morning... (walk) to school when I... (hear) a dog barking behind me I... (turn) round and there in the street I... (see) a superb sports car!... (approache) and ...(walk) around it. there was something really strange :  the car... (make) funny crunching noises. suddenly I... (realize) it ...(eat) the dog! it was a monster that's when I... (Wake) up screaming.