When the two of them (go, goes) together, they always have fun.

2. What is a major downside of the fee-for-service reimbursement model?  (From Chapter 3)

The results of the latest standardized exams (indicate, indicates) an increase in standards at the school.

The luscious‑looking cake was covered with a cherry glaze.    And decorated with sugar swans.

Joan, as well as my sister, (is, are) in college now.

I am certain that both Catherine and Lucy (is, are) coming to visit this weekend.

16.  What is the primary purpose of a balance sheet?  (From Chapter 6)

There (was, were) fifteen candies in that bag.

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

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