"He stole Tom bag" change to indirect speech

Which of these sentences has an error in subject-verb agreement? a. official procedures calls for students who are tardy three times to serve detention. b. as a result of her efforts, a team of volunteers signs up every month to clean the city's parks. c. the committee of parents protested loudly at the school board meeting. d. each of the neighbors brings a dish to share at the pot-luck gathering.

Ato of . it be a , is as an . it be a ,in - as a . , it be an , is by to as a , , or an .. (s)of : 12345

What did mark twain contribute to the history of the novel? select all that apply.