[Q]: How does the sentence end?

Robert wanted to swim in the hot tub at Benjamin's house, but

[A]: Benjamin was gone.

[Q]: How does the sentence end?

The gardener wanted to put the orchid in the pot but the

[A]: pot was too small.

[Q]: How does the sentence end?

Joseph woke up early to fill Lawrence's spot at work on Monday because

[A]:
Joseph owed him a favor.