Subject-verb agreement

Everybody who signed up for the snowboarding trip ..... taking lessons

• were

• was

Some of our luggage ..... lost

• were

• was

None of his advice ...... sense

• make

• makes

Mathematics ..... among the most difficult courses in our program

• are

• is

Your friendship over the years and your support ..... meant a great deal to us.

• have

• has

Neither the professor nor his assistants ...... able to solve the mystery of the eerie glow in the laboratory.

• were

• was

Many hours at the driving range ..... led us to design golf balls with GPS locators in them.

• have

• has

Neither the explorer nor his companions ..... ever seen again.

• was

• were

There ..... a social worker and a crew of twenty volunteers at the scene of the accident

• was

• were

Everyone on the team ..... the coach

• support

• supports