[Q]: How does the sentence end?

The students cannot hear the teacher's voice because of the noise from the other class. The

[A]: voice is low.

[Q]: How does the sentence end?

Nelson got worried more often than Dennis did because

[A]: Nelson had issues with anxiety and depression.

[Q]: How does the sentence end?

The wedding of Betty was extravagant, while Christine had the opposite.

[A]:
Betty is more likely the big shot banker.