Problem: How does the next paragraph end?

How to survive a plague 
Reduce rodent habitats around the home. 
Plague is spread through populations of infected rats and the bites of fleas that use them as hosts. Eliminate possible nesting places for rodents in and around your home.
A: Tool sheds, brush piles, basements, garages and attics should all be checked for signs of infestation. Rat droppings are often a sign that rodents are nesting in or passing through your home.

Problem: How does the next paragraph end?

How to level a trailer 
Extend any landing gear that is built into the design of the trailer. 
In most cases, the landing gear is operated with a simple hand crank. Making sure the gear is touching the ground before attempting to make any adjustments will add some stability to the trailer and provide a better idea if any adjustments are needed at all.
A: Determine the degree of imbalance present after parking the trailer. This can be accomplished by placing the carpenter's level on the floor of the trailer.

Problem: How does the next paragraph end?

How to sign a sympathy card 
Start with an appropriate salutation. 
The most common way to begin a sympathy card note is to start with the word " dear. " you could also write " dearest, " or simply start with the person's name.
A: Avoid starting with " hi " or another casual salutation-err on the side of being a little formal. Address the person to whom you're writing as you'd normally address that person.

Problem: How does the next paragraph end?

How to learn about online medical assistant training 
Conduct an internet search of words related to online medical assisting programs. 
Any search engine will return numerous site recommendations for schools that offer online training to be a medical assistant. 
Make a list of the schools you are interested in.
A:
Keep a log including the institutions' names, telephone numbers and contact people. Leave plenty of space for any notes that you take while talking to medical assisting program representatives.