1. I am not sure why I can't go to the movies.
I don't eat ice cream because I am lactose intolerant.
2. The book's cover was blue and white.
3. The students' grades were at an all-time low.
The children's toys were across the room.
4. She got three A's on her report card.
Hope this helps and hope you have a great day!!
At the time they where starving and found hope in the native to show how to grow corn
It is necessary because if you don't have a confirmed opinion with textual evidence to back it up you wont have a good argument.