Choose the correct answer. We need to __ They are really dirty. a. get the windows cleaned b. have the windows to clean c. get to clean the windows

The correct answer is a. get the windows cleaned.In this sentence, the speaker is expressing the need to have someone else clean the windows because they are really dirty. The correct phrase to use in this context is "get the windows cleaned," which means to arrange for someone to clean the windows.Option b, "have the windows to clean," is not a correct phrase in English. The correct phrase would be "have the windows cleaned."Option c, "get to clean the windows," is also not a correct phrase in English. The correct phrase would be "get the windows cleaned."Therefore, the correct answer is a. get the windows cleaned.