Question:
Heather came to determine that the math books were outdated by professional standards, because the  OPTIONS:
- standards were high quality.
- books were high quality.

Answer:
Continue the sentence -- standards were high quality.


Question:
As Maria was approaching Elena, she slowed and picked her steps carefully, as  OPTIONS:
- Maria was always eager to surprise.
- Elena was always eager to surprise.

Answer:
Continue the sentence -- Maria was always eager to surprise.


Question:
Alex tossed the ball to Jeff but he had to carry the bat because the  OPTIONS:
- bat was light.
- ball was light.

Answer:
Continue the sentence -- ball was light.


Question:
The car is not able to make it up the mountain because the  OPTIONS:
- mountain is too weak.
- car is too weak.

Answer:
Continue the sentence -- car is too weak.