Who wanna talk im bored and need someone to talk to also single so hmu boys only

What does the word precocious mean in this sentence

Me with english (easy for you) 50 points

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.