Problem: How does the sentence end?

Derrick suggested that Eric join him on his new diet. 
OPTIONS:
- Derrick agreed that he had gained weight lately and should do something about it.
- Eric agreed that he had gained weight lately and should do something about it.
Answer: Eric agreed that he had gained weight lately and should do something about it.
sentence: The doctor preferred to prepare the patient with the medicine instead of the IV since the  OPTIONS:
- medicine was potent.
- IV was potent.
complete: medicine was potent.
The business had to order drawers for filing papers but didn't need any more desks because the 
OPTIONS:
- drawers were filling up.
- desks were filling up.
drawers were filling up.
Input: Continue writing.

Craig asked Brett for a good recipe for okra, since 
OPTIONS:
- Craig had never cooked with it.
- Brett had never cooked with it.

Continued: Craig had never cooked with it.
Story needs to be completed:
Lindsey gave the container of sugar to Megan because 
OPTIONS:
- Lindsey had been on a diet.
- Megan had been on a diet.

My choice:
Lindsey had been on a diet.
Problem: How does the sentence end?

He wouldn't dunk his donuts in coffee, but he loved to do so with his cookies, since the 
OPTIONS:
- donuts stayed intact in the drink.
- cookies stayed intact in the drink.
Answer:
cookies stayed intact in the drink.