Mr Green is fifty years old. He is a teacher in the Maths Club in our school. He goes to the club every Monday and Tuesday. He 1the students in the club how to learn maths well. At the same time, he tells2 how to be honest(诚实的)people. His students all like him very much. A lot of students have graduated(已经毕业), 3they still remember Mr Green. And they often 4to him. Certainly, Mr Green is very5 when he reads their letters.
Today is Monday and it's time 6Mr Green to go to the club. He walks into the club. But he doesn't7 a maths lesson. He8 tells the students how to be honest. He tells them a few 9 about that and says, "I don't like telling a lie(谎话). "Then he tells all his students to do Exercise 9 in Lesson 1 after the 10is over.
The next afternoon when Mr Green comes into the club, he asks, "11 has done Exercise 9?"Some students 12their hands. He shakes his head and says, "Open your books and13if(是否）there's Exercise 9 in Lesson 1. "
These students have a look at their14. After two minutes, their faces get15. There is no Exercise 9 in Lesson 1 in their maths books.
