Question

complete the sentence with the pronoun that agrees with the word or words in bold. rock pigeons are commonly found nesting on window ledges and buildings today, but
were first introduced to the americas by early european settlers. submit

Explanation:

The bolded word "Rock pigeons" is a plural noun. The pronoun that agrees with a plural noun in the subject position (to refer back to "Rock pigeons") is "they". We need a subject pronoun here, and "they" is the appropriate plural subject pronoun to refer to the plural noun "Rock pigeons".

Answer:

they