[Q]: How does the sentence end?

Ian was really very skinny whilst Kyle was plump.

[A]: Ian had a very small appetite.

[Q]: How does the sentence end?

The leather shoes felt better than the ones made out of canvas due to the

[A]: canvas being stiff.

[Q]: How does the sentence end?

Adam became a real estate agent after Justin did because

[A]:
Justin wanted to have a different career as their friend.