In the given sentence, "That are very expensive bats!", the pronoun "That" does not agree with the verb "are". The correct pronoun should be "They" to match the plural verb "are". Here's a breakdown:
1. Incorrect pronoun and verb agreement: "That are very expensive bats!"
2. Corrected pronoun and verb agreement: "They are very expensive bats."
By changing the pronoun from "That" to "They", we ensure that the subject and verb agree in number. This makes the sentence grammatically correct.
