[Q]: How does the sentence end?

Late on Monday, Christine was doing an excel report for Erin because

[A]: Christine was the employee.

[Q]: How does the sentence end?

Justin showed Ian how to clean the oven because

[A]: Justin wanted to teach him good habits.

[Q]: How does the sentence end?

Mary always had a harder time keeping track of time than Laura, as

[A]:
Laura never dissociated.