Finish vs. End

The brothers will ......... school both together at the end of this year.
end
ending
finish
finishes

They wanted their daughter to improve her social skills and sent her to the famous ......... school in Switzerland.
ends
ending
finishes
finishing

You can't miss it, it's that tall building right at the ......... of the road.
end
ends
finish
finishes

Sadly their marriage of 25 years ......... in divorce.
ends
ended
finishes
finished

It didn't take long for the children to ......... off the cakes and pastries that had not been eaten at the party.
end
ending
finish
finishing

He thought they would all share the cost of the meal but unfortunately he ......... up paying for everybody.
end
ended
finish
finished

After the children had ......... doing their homework, the whole family watched television.
ends
ended
fnishes
finished

You could tell the time by him because he always ......... work at exactly the same time every day.
ends
ended
finish
finished

I've written practically the whole book except for the last part and I just don't know how to ......... the story.
end
ending
finish
finishing

To most people it seemed like a long and successful relationship and so it was a great surprise to learn that they had ......... with each other.
ends
ended
finishes
finished