1. My co-worker (had not used/didn’t use) email before, so I showed him how to use it. 2. Because I (hadn’t studied/didn’t study) for the test, I was very nervous. 3. The wave (had destroyed/ destroyed) the sandcastle that we had built yesterday. 4. When shewent out to meet her friends, she (had already done/ already did) all the chores. 5. The waitress brought a drink that I (didn’t order/ hadn’t ordered) before. 6. (Had you given/ did you give) James a ring before you dropped by his apartment? 7. Susan (took/had taken) a rest after she had washed all the dishes. 8. When Jim came to the meeting, everyone (had left/left). 9. Before she had dinner, she (had washed/washed) her hands carefully. 10. Before I (had gone/went) out, I asked my parents for permissions. 11. I could not remember the name of the man we (met/had met) the week before. 12. We (ate/had eaten) all the cakes mymom had made. 13. Before she (came/had come) home, she had met some of her old friends. 14. Before Jane (started/ had started) to make the cake, she had prepared all the ingredients. 15. I (had fed/fed) my cat before I left home.