[Q]: How does the sentence end?

Katrina gives a bouquet of gladiolus to Maria, because

[A]: Katrina wants to cheer their friend up.

[Q]: How does the sentence end?

Jessica asked Natalie exactly what time the movie was to have started, because

[A]: Jessica had forgotten.

[Q]: How does the sentence end?

Since she was on a budget, the woman purchased the champagne instead of the wine, because the

[A]:
wine was expensive.