Answer:
11.shs is late
12.I know because she threw her books in her bag and ran out of the door
13.she is going to school
14.I know because she had to back her backpack
15.He was waiting so he could go with james
16.I know because he was saying that he hopes that James would show up
17.No, they are not friends
18."Kelvin hoped that he wouldn't ", in that sentence he was saying that he hoped that James wouldn't show up
19.He was nervous because he didn't k own if James was going to show up or not
20.the first and second sentence
