Answer:
I will do something infront of them and ask them if I did it the one who says I did it says the truth
for example I will bite an apple infront of them and ask if I did bite from it
The topic sentence and introduction lay out what you're going to say. the body supports all the parts you stated prior to. and the conclusion restates and wraps everything up
The sentence that contains an incorrect possessive form is B) The boys joke made us all laugh.
If it's possessive, it the joke belongs to them, is told by them, it should go like this: <em>The boys' joke made us all laugh.</em>