1. My co-worker (had not used/ didn’t used) email before, so I showed him how to do 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 she went out to meet her friends, she (had already done/ already did) all the chores.

5. A waitress brought a drink that I (didn’t order/ hadn’t order) 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 parent 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 my mom 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.

1.had not used

2.hadn't study

3.destroyed

4.had already done

5.hadn't order

6.Had you given

7.took

8.had left

9.had washed

10.went

11.had met

12.ate

13.came

14.started

15.had fed

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