[Q]: How does the sentence end?

Laura worked hard at making the bracelets for the fair tomorrow and Sarah made posters, because 

[A]: Laura was a jewelry maker.


[Q]: How does the sentence end?

John had to return the chair he bought for his new office as it could not get into it because the 

[A]: office is small.


[Q]: How does the sentence end?

They found it easier to diagnose the disease instead of the condition, since the 

[A]:
condition was passive.