My sister _ do sports after classes.
1) does not
2) is not
3) do not
4) doesn`t

ответ:
My sister 1)does not do sports after classes.
или
My sister 4)doesn’t do sports after classes.

Объяснение:
1 и 4 пункты одинаковые это сокращённая форма

1)a teacher works at school. 2)workers work at plants and factories. 3)a businessman works at office. 4)doctors work at hospitals. 5)an economist works everywhere. 6)a dentist works at stomatological polyclinic. 7)engineers at design bureaus.