Я подожду,пока он окончит свой расс

Я подожду,пока он окончит свой рассказ,а потом попрошу его ответить на мой вопрос
Моя сестра возвращается на работу в следующий понедельник

Результаты (английский) 1:

I'll wait until he finished his story, and then I will ask him to answer my questionMy sister returned to work the following Monday

Результаты (английский) 2:

I'll wait until he finished his story, and then ask him to answer my question
My sister returned to work the following Monday

Результаты (английский) 3:

I will wait until he cease their story,and then would ask him to respond to my question
my sister returns to work on the following Monday