Please help middle school comprehension

In a short story the narrator's word choice

Identify the sentence in which the underlined word or words are punctuated incorrectly. a) pam was (well prepared) for the debate. b) she had (read three quarters) of the material more than once. c) she has always been (self assured). d) the winner needs a (two-thirds) majority of the votes.

Where sarah live? a. are b. is c. do d. does