[Q]: How does the sentence end?

Justin had to drive Christopher to the dentist, because after the surgery, 
OPTIONS:
- Justin would be the only person who could drive.
- Christopher would be the only person who could drive.

[A]: Justin would be the only person who could drive.
QUES: Continue writing.

The sink looked moldy, but the bathtub was sparkling, because John had scoured the 

OPTIONS:
- sink .
- bathtub .
+++++++++
ANS: bathtub .
Problem: How does the sentence end?

Tom was frustrated while using the computer printer but was fine with the keyboard because the 
OPTIONS:
- printer was working.
- keyboard was working.
Answer: keyboard was working.
sentence: Angela asked Tanya for her help in the college mid term project because  OPTIONS:
- Angela has bad grades.
- Tanya has bad grades.
complete: Angela has bad grades.
The wheat needs less rain than the corn, so the 
OPTIONS:
- wheat grew well when the rain was scarce.
- corn grew well when the rain was scarce.
wheat grew well when the rain was scarce.
Problem: Continue the following story.

My doctor suggested I drink more water to help with constipation instead of coffee as the 
OPTIONS:
- water helps with the condition.
- coffee helps with the condition.
Here's how I want to continue it:
water helps with the condition.