The type of context clue in the sentence is a definition.
what to do can you tell me in comments and i will edit it.
Answer:
The novel book has been read by you yesterday in the evening
Billy's father says they can't stay with grandpa and grandma cook because he and Billy's mother are getting a divorce.
Because of the fact that Billy's parents are separating, he can no longer stay with his grandparents, but rather go to a court where the judge will decide where the child will live from now on - whether that is going to be with his mom or his dad.
How did the musician become famous, where is he from, what influenced him, when growing up what did he listen to, when did he get into what they are doing now.