[Q]: How does the sentence end?

Tom bought the sandals instead of the shoes because the

[A]: sandals were very comfortable to wear.

[Q]: How does the sentence end?

Derrick dined on sweets and fast food much too often while Donald ate salads and veggies.

[A]: Donald had a scarcity of belly fat.

[Q]: How does the sentence end?

Adam is annoyed at Derrick since

[A]:
Derrick received help from the Airline Gate Agent quicker.