Please tell me if it's right.
3, Which of these pronouns is third person plural posessive?
A. Who
B. That
C. They
D. Theirs
4, Which kind of adjective is used most frequently in ordinary speech or writing?
A. Common
B. Proper
C. Demonstrative
D. Article
5, A noun that completes an action is called a/an
A. complement.
B. object.
C. subject.
D. predicate.