Помогите с английским.

Вот ваши предложения, преобразованные в вопросы с добавлением вопросительных "хвостов":

They enjoy hiking in the mountains, don't they?
We are trying to find a solution to the problem, aren't we?
Tommy and Kate don’t plan to visit their grandparents this weekend, do they?
He suggested to go for a walk, didn't he?
Susan didn’t remember to call her friend, did she?
It’s important to stay focused during exams, isn't it?
Peter will become a doctor, won't he?