Subject-Verb Agreement

The price of these jeans is/are reasonable.

Thirty years is/are a long time.

You should decide which one of the three choices A, B, or C best answers/answer the question.

Both of my pencils have/has an eraser.

Several of the field hockey players also belong/belongs to the track team.

Everybody at the fourth of July parade was/were carrying an American flag.

Each of the Girl Scouts does/do a community service project.

This organization puts/put on a barbecue every summer.

The pack of dogs was/were running off in different directions.

Every fall, the English class write/writes book reports on their/its summer reading.