[Q]: How does the sentence end?

The comb worked much better than the brush did because the

[A]: brush was a bit older.

[Q]: How does the sentence end?

Megan had much more energy in class than Carrie because

[A]: Megan had drank a cup of coffee.

[Q]: How does the sentence end?

The witch tried to write the spell down in the book but the

[A]:
book was too small.