Problem: How does the next paragraph end?

How to behave in a school science lab 
Know about all safety procedures. 
If an emergency does occur, it is important that you know the correct way to act. All safety and emergency procedures should be discussed at the beginning of the school year.
A: In addition, relevant safety measures should be reviewed before each experiment. If you are unsure about a specific process, ask your teacher so that you will know exactly what to do.

Problem: How does the next paragraph end?

Outside in the backyard two little boys in matching swim suits are playing with nets trying to catch a ball. they
A: are both trying to get the ball in their own net basically playfully fighting over whose going to get it.

Problem: How does the next paragraph end?

How to take protein supplements 
Recognize the need for protein supplements. 
If you are in need of protein, your body may send you signals. These symptoms can indicate a wide variety of other problems, however, so talk to your doctor before you take any protein supplements.
A: Some of the signs are : Weakness, especially in your muscles unclear thinking or difficulty concentrating recurrent infections and slow healing sweet cravings loss of hair Choose a supplement. Protein supplements usually come as a powder.

Problem: How does the next paragraph end?

How to survive a flood 
Identify where to go during an evacuation. 
Sit down with your family to establish a plan of action. Pick several meeting spots in case you need to leave home, such as a friend's home in a safe town or a shelter in your area.
A:
Make sure everyone in the family knows where these locations are and how to get there. Make sure the shelters and the routes to them are through high ground.