80. It is necessary for you to pay attention to what your parents say
81. Laura is very proud of having been selected to represent her class at the Reading Festival
84. It was the children who were frightened at the meeting by his presence
86. It is a book which she presented him written by Mark Twain, a famous American writer onhis birthday
87. It would be necessary for you to talk to your parents before making up your mind
88. She is proud of being the leader of the English club
91. It was his presence at the meeting that frightened the children