Question: Surely farmers are willing to pay much more for fertile seeds than for infertile, and you can be sure that Monsanto fully exploits that willingness.)
Monsato is exploiting the fact that people will pay more for fertile seeds

Answer: yes

Question: The post office was virtually destroyed in the fighting but has since been fully restored.
The post office, nearly destroyed in the fighting, has now been restored.

Answer: yes

Question: By the middle of October, the season is over and many hotels and restaurants will close for the winter.
The hotels and restaurants will stay open throughout the winter.

Answer:
no