[Q]: How does the sentence end?

The cheap bookcase was secured against the library wall because the

[A]: bookcase was not balanced.

[Q]: How does the sentence end?

Jeffrey wanted Neil to do well on the SATs, since

[A]: Jeffrey could not go to college when they were young.

[Q]: How does the sentence end?

Anthony had a painting of a big pig but it did not fit on the paper, the

[A]:
painting was too big.