[Q]: How does the sentence end?

The boss said that Jeffrey was very unproductive unlike Leslie, due to

[A]: Jeffrey being lazy.

[Q]: How does the sentence end?

Joel asked Hunter if he change the flat tire for a free, because

[A]: Joel had never done it before.

[Q]: How does the sentence end?

Logan had to remind Benjamin to take the medicine because

[A]:
Logan was very good with keeping track of schedules.