[Q]: How does the sentence end?

Jack's enourmous teeth would not fit into his mouth because the
OPTIONS:
- teeth was too small.
- mouth was too small.

[A]: mouth was too small.

[Q]: How does the sentence end?

Joel made Matthew a new walking stick from an oak tree branch, and
OPTIONS:
- Joel worked many hours on it.
- Matthew worked many hours on it.

[A]: Joel worked many hours on it.

[Q]: How does the sentence end?

Tim needed to rake the yard underneath the tree because the
OPTIONS:
- tree had dropped its leaves.
- yard had dropped its leaves.

[A]:
tree had dropped its leaves.