TheRayGun20000 lol RayGun20000000
Sentence 3, i think. because if her sister answers her phone than jayla will figure out if something is wrong
In these sentences, the speaker is appealing to the students of his class. This is noted when he directly addresses the students in the first line, "Fellow students, I know..." The comma after students shows that that is who the speaker is talking to and therefore, who he is appealing to.
Hinged window
From the context clues, a person can stand at a casement and wave with the possibility of people seeing her, and it not be strange. With that in mind, people don't usually stand and wave in a cabinet or trapdoor. That would be rather strange to see. The only two options left are door and window. It is most likely that the woman is standing AT the window waving her hand standing at the window. Usually you stand IN a doorway.
The 2nd one they can make you sick .