Put the verbs in brackets into the correct past tense. justify your answers. 1. ) his arm while ) the wall. 2. sandra ) the exam. ) really hard for months. 3. a: how /work) here before )? b: more than twenty years. 4. while ) home last night, ) into sally 5. the ) and the ) as ). 6. ) the main course ) for dessert when the fire ).