Problem: the demand for the products in the market exceeded the products available, the 
OPTIONS:
- demand were  few.
- products were  few.

My choice: products were  few.
[Q]: How does the sentence end?

Kalli had a lot of anxiety about speaking into the microphone, but was comfortable with the computer, because the 
OPTIONS:
- microphone was unfamiliar to her.
- computer was unfamiliar to her.

[A]: microphone was unfamiliar to her.
QUES: Continue writing.

Megan knew they had to stop smoking because it was unhealthy but Elena did not because 

OPTIONS:
- Megan was sensible.
- Elena was sensible.
+++++++++
ANS: Megan was sensible.
Problem: How does the sentence end?

The thermometer on the tanning bed was malfunctioning and delivering temperatures that were too low to be useful, so the 
OPTIONS:
- tanning bed was replaced.
- thermometer was replaced.
Answer: thermometer was replaced.
sentence: Lawrence knows more languages than Robert, so  OPTIONS:
- Lawrence is better suited to live in their home country.
- Robert is better suited to live in their home country.
complete: Robert is better suited to live in their home country.
Input: Continue writing.

So 
OPTIONS:
- Ian enjoys eating a large selection of healthy foods because Ian wants to stay healthy and Ryan doesn't care.
- Ryan enjoys eating a large selection of healthy foods because Ian wants to stay healthy and Ryan doesn't care.

Continued:
Ian enjoys eating a large selection of healthy foods because Ian wants to stay healthy and Ryan doesn't care.