[Q]: How does the sentence end?

Christopher picked their nose in public, but Kenneth didn't.

[A]: Kenneth always cared what other people thought of them.

[Q]: How does the sentence end?

The boss did not attend the meeting but the secretary did because the

[A]: secretary was available.

[Q]: How does the sentence end?

The adhesive couldn't keep the string attached, but it worked on the paper. The

[A]:
string was so slippery.