Each of the samples was treated with the same dose of antibiotics

• TRUE

• FALSE

Everyone have done his or her homework.

• TRUE

• FALSE

Each of the students (is/are) responsible for doing his or her work.

• is

• are

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

• needs

• need

Mary and John usually (plays/play) together

• plays

• play

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

• has

• have

All of the chicken (is/are) gone.

• is

• are

Swimming in the ocean and playing drums are my hobbies

• TRUE

• FALSE

Cheetahs _________ faster than most other animals.

• runs

• run

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

• tries

• try