I'm gonna be completely honest, I didnt feel like going through all of those but it's really simple. if you use something like grammarly and type the sentences, it will correct your grammar so you can find out the answers :)
<span>As it turns out, Mrs. Winterbottom leaves to reconnect with a son she gave up for adoption before she married Mr. Winterbottom. She never told anyone about this son for fear of not seeming "respectable." She is very worried about being "respectable," perhaps because Mr. Winterbottom cares so much about being respectable, too.</span>
The best answer would be
<span>Strains of bacteria can become immune to antibiotics that once killed them effectively.
Because evolution is all about how the creature adapts to the environment and how it defends itself from the dangers around it. It can learn how to prevent those terrible things to happen to them that's why the virus is a creepy and good example. </span>
