[Q]: How does the sentence end?

When building anything Mary always measure twice but Jessica only once as

[A]: Mary is careful by nature.

[Q]: How does the sentence end?

The recipe called for both baking powder and foot powder. The

[A]: foot must have been incorrect.

[Q]: How does the sentence end?

The blood of Ryan was drawn by Brett in the trailer because

[A]:
Brett is a good doctor.