4. which one of the following statements contains bias? a. the employees whined about their low wages. b. the school budget was reduced by 20 percent. c. it has rained for three days without stopping. d. it was sunday afternoon before he finished.

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the answer is:

when will (v) the books (n) be (v) due?

nouns refer to people (other than pronouns), places and things, whereas verbs describe actions and are usually part of the predicate of a sentence. finally, pronouns can work as nouns and identify the participants in speech.

in the example sentence, "will" is a verb part or auxiliary verb, "be" is an infinitive verb and "books" is a plural noun.