Error Spotting - Subject Verb — Set 7

The pile of books were stacked neatly on the shelf.

Neither the doctor nor the nurses was available during the emergency.

What is the percentage of people who has voted in the election?

Each book and magazine have been catalogued in the library system.

The audience were enthusiastic about the performance throughout the evening.

The wages of the workers have not increased for three years.

Neither of the two candidates were qualified for the position.

Either the students or the teacher are responsible for the damage.

There is several items in the shopping cart that you forgot to check.

The team of researchers have made a breakthrough discovery.