[Q]: How does the sentence end?

The navy moved its base from the island to the harbor, as the

[A]: island was a vulnerable strategic position.

[Q]: How does the sentence end?

Kathy spent more money on the calligraphy pens than on her school pencils because the

[A]: pencils were plain.

[Q]: How does the sentence end?

Brett always had fresh flowers in the house unlike Eric because

[A]:
Eric was allergic to them.