[Q]: How does the sentence end?

The math test made Mike tired, while he did not really mind the history exam. The

[A]: math test was much longer in length.

[Q]: How does the sentence end?

The tone of the guitar was more pleasant than the sound of the piano because the

[A]: piano was out of tune.

[Q]: How does the sentence end?

The police came to deal with a device left on the dock. The

[A]:
device had to be blown up for safety.