What comment on life might these lines from mrs. dalloway represent

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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.

Can someone give me the main topics discussed in english segment 2 dba ( lesson 3.09 )