She stayed in/at prison for a year. Не He wrote his first book on/at the age of 20. Dana...

Question

She stayed in/at prison for a year. Не He wrote his first book on/at the age of 20. Dana spent her holidays with/by the sea Помогите пожалуйста ​

Answer 1

Ответ:

She stayed in prison for a year.

He wrote his first book at the age of 20.

Dana spent her holidays by the sea

Объяснение: