71 "Be careful. Don't go too near the edge of the cliff," she said to the boys. 72 "Please, please come to help me with the assignment," my friend said to me. 73 "I wouldn't buy that sort of raincoat if I were you," my friend said to me. 74 "Would you mind moving your bicycle?" said the janitor. "It's in the way." 75 "Could I take out another book, please," I said to the librarian. 76 "Remember to leave the window open when you're using the gas stove," my mother said to me. 77 "Wear your school badge or they won't let you into the classroom." my teacher said to me. 78 "Would you like to come over to my house for a slide show?" my friend said to me. 79 "Show me your driver's licence, will you?" the policeman said to the drunken driver. 80 "Do come again next weekend," the host said to the visitor.