Pls help pls ur my only hope btw shout out to
JoaquinVazquez thx for the help!

Hi there~

The answer is:

Adjourns.

Hope this helps

Minisugarr

Adjourns means end if i remember right hope this helps

Explanation:

3rd person, because the narrator is out of the story but explains the feeling of the main character

the following key ideas correctly express the key sentence.

restate key idea: most people can learn to swim in ten short lessons.

restate key idea: the majority of water-accident victims require mouth-to-mouth breathing.

restate key idea: an empty, tightly closed gallon jug will support a tired swimmer.  

restate key idea: first aid is to prevent accidents as well as assist in rescue.

explanation: the key idea needs to have the same topic as the key sentence (drowning and safety).