Sue has a cat. She likes playing w 1 it at home. But she's seven now and her father tells her to go to school. The teacher does not let her t 2 the cat into the classroom. She has to leave it at home, s 3 she isn't happy. She doesn't want to go to school and listen to h 4 teacher. Now Class Three a 5 studying math. Mr. Green sees that Sue is looking out of the w 6 He asks Sue, "What's two and two, Sue?" Sue stands up, but she c 7 answer. "If your mother gives you two pencils," Mr Green says, "and I give you t 8 , how many pencils do you have?" "Five, Mr. Green." "You're w 9 ," Mr Green says. "You have four.” "I d 10 think so," Sue says. "I already have one in my pencil case!" It is easier to go downhill than to climb uphill, so it is easier to fall into bad habits than into good o________.