Heya here’s your answer
1) He told me that he could help me
2) They said they would join us for lunch
3) I told you that I was going to be late
4) The article said that the accident happened the day before
5) Our teacher had told us that she had lost our homework
A; it mentions in the second sentence that he hadn't slept two consecutive hours due to dreams. He kept trying to get back to sleep near the end of the story, so that would be the main conflict.
B, I just did it on the exact same site .