The samples on the tray in the lab (needs/need) testing

The slaughter of animals for their fur (has/have) caused controversy

All of the chicken (is/are) gone.

Swimming in the ocean and playing drums are my hobbies

Cheetahs _________ faster than most other animals.

Every one of the students _________ hard to win the contest.

One of the students ( is/are ) studying algebra.

The exhibit of the artist’s paintings was very interesting.

Mrs. Andrews, along with Mr. Stone, ( do/does ) volunteer work.

All of the salesmen, including Mr. Stone, ( was/were ) at the meeting.

Every one of the girls ( do/does ) her shorthand homework.

Both of the carpenters ( is/are ) planning to do the job.

Most of the nurses ( work/works ) every day.

The owl's eyes (makes, make) it look wise.

Forest rangers (says, say) that we can prevent forest fires.

Many colleges (has, have) computers.

The heads of state (arrive, arrives) for the conference.

The girls from John Carroll (is, are) arriving early for class.

The boxes of chalk (is, are) at the chalkboard.

The problems with Bobby (has, have) to be solved.

Laura, together with Jesse, (sing, sings) the alto part.