[Q]: How does the sentence end?

William's teeth were healthier than Nelson's teeth, because

[A]: Nelson didn't care about maintaining good dental care.

[Q]: How does the sentence end?

It was impossible to study in the library so we moved to the park. The

[A]: park was so quiet at noon.

[Q]: How does the sentence end?

Carrie is fluent in Spanish but Christine only speaks English as

[A]:
Carrie lived in Mexico when they were young.