Mark the letter A. B, C, or D to indicate the word(s) OPPOSITE in meaning to the underlined word(s) in each of the following questions.
31. In my country, it is compulsory to go to school between the ages of five and sixteen.
A. necessary B. essential C. optional D. selective
32. Do you think that you pay enough attention in class? What have I been talking about?
A. neglect B. care C. notice D. consideration
