Q. The following passage has not been edited. There is error in each line against which a blank is given.?

One day then my six-year-old sister 1)---
asked us which career she should opt for, mine 2)----
father suggested she became a doctor 3)---
while my mother feels she could be a newspaper 4)---
reporter. I felt she would make a finer 5)---
teacher. From a momentary silence my sister 6)---
declared, " I may become an actress. I can then play each these roles." 7)---