Subject-Verb Agreement Quiz

Every one of the students (is, are) required to take the final test.

• is

• are

None of the animals at the zoo (is, are) free. All of them (is, are) in enclosures.

• is

• are

A number of students at the university (is, are) approximately 10,000.

• is

• are

One of the chief materials in bones and teeths (is, are) calcium.

• is

• are

( Do, does) all of the children have their books?

• Do

• does

( Do, does) all of this homework have to finished by tomorrow?

• Do

• does

Why ( was,were) some of the students excluded from the examination?

• was

• were

Why ( was,were) one of the students excluded from the examination?

• was

• were

What percentage of the earth's surface (is, are) covered by water?

• is

• are

What percentage of the people in the world (is, are) illiterate?

• is

• are