Our science club chose <u>Gayle </u>Double Underlined; Object Complement the <u>chairperson</u> Direct Object.
What is direct object and Object Complement?
Object Complement refers to a word or phrase that follows a direct object and characterizes or renames it.
Direct Object refers to a word or phrase that expresses the main purpose or outcome of a verb's action.
Now,
According to the definitions of object complement and direct object,
Chairperson expresses the main purpose of the action of the verb (chose).
Gayle is the word that is following the direct object (chairperson) and is renaming it.
Hence, According to the definitions of object complement and direct object, Our science club chose <u>Gayle </u>(Double Underlined; Object Complement) the <u>chairperson</u> (Direct Object).