Problem: How does the sentence end?

Jennifer tried to find Elena's vein to inject their medicine, but 
Answer: Elena could not sit still very well.

Problem: How does the sentence end?

he replaced fruits for vegetables in the evening meal for all, the 
Answer: vegetables were available.

Problem: How does the sentence end?

Being a teacher is not easy and has its rewards and downsides. Penny thought the 
Answer: rewards outweighed the downsides but John thought the downsides were worse.

Problem: How does the sentence end?

Jason looked a lot younger than Kenneth because 
Answer:
Kenneth didn't have a skincare routine they followed.