[Q]: How does the sentence end?

Rebecca had a severe bone disease but Erin did not, so 

[A]: Rebecca had to constantly receive medical attention for the disease.


[Q]: How does the sentence end?

Jennifer asked Tanya how to prevent swollen feet during pregnancy at the visit because 

[A]: Tanya was a doctor.


[Q]: How does the sentence end?

I offered to bring a pinata to the party, but Susan said the event was black tie and so the 

[A]:
event was too formal.