(Has, Have) the manager or the assistant manager approached you?

28.  What is the definition of an operating budget?  (From Chapter 12)

He or his sister (want, wants) to visit Europe next summer.

Another exciting park to visit in the Orlando area is Sea World.  Because the park has fantastic exhibits and demonstrations of animals that live in the water.

The primary purpose of supporting details in a paragraph is to

Elk hunting should be permitted because it helps pay for some state services, helps keep the elk population under control, and provides a source of food. 

Because of its low cost, durability, and popularity, denim has remained one of America’s most useful fabrics.

The number of issues (seem, seems) to be increasing.

Each of the exercises (take, takes) about twenty minutes to complete.

The longest of the presentations (is, are) the next group.