I believe its both but if I had to choose one I'd say
you should not chew gum in class because it's rude
Why:
It makes it look like your uninterested and not listening
If you have a cell phone yes, most students would use it for social media but it may also be used for school related topics.
Answer:
If Michael could have taken the noon train, he would have been in time for the meeting this evening
Hope it helps
She should probably show a picture of the singer so that people know what the singer looks like and will be able to associate a name with a face
The answer is C.) All of them were from somewhere in Oklahoma
