Monkeys can work out easy Maths problems.(

Monkeys can work out easy Maths problems.(Monkeys can work out easy Maths problems.(改为同义句)Minkeys can work out Maths problems that_____ _____ _____.She did't help her mother do any housework until she was fifteen.(改为同义句)She_____ _____help her mother do some housework_____she was fifteen.