Have a good habit !litter on the floor ! 乱丢垃圾乱丢垃圾Dontspeak with mouth full ！ 含着满嘴食物说话含着满嘴食物说话Donttalk loudly in class ! 上课大声喧哗上课大声喧哗Dontmake a noise ！ 制造噪音制造噪音Dontkeep quite ！ 保持安静保持安静Please wait in line ! 排队等候排队等候Please (1) bad habits (2) good habitsSu Nan: Dont litter on the floor. Its a bad habit.Girl: Im sorry.Mom: You shouldnt tell lies. Its a bad habit.Boy: Im sorry.I wont.tell lies 撒谎Li Shan: We shouldnt make a noise in the library. Wed better keep quite and we should have a good habit.Girl：All right.好吧Grandpa: The boy shouldnt write on the tree. We should take care of trees and have a good habit.Boy: I see.take care of 照顾；照看Mom: What are you doing? Kevin?Kevin: Im reading.Mom: Dont read in bed. Its bad for your eyes.Kevin: But I like reading in bed.Mom: You shouldnt do that.Its a bad habit.Youd better read at the desk.Kevin: All right, Mom.Mom: And you shouldnt have the book so close to your eyes.You should take care of your eyes.Kevin:Ok.这么近；如此近这么近；如此近We shouldnt talk loudly in class. 不应该不应该We should keep quiet in class. 应该应该Wed better keep quiet in class. 我们最好我们最好play games eat ice-creamsmake a noise keep quite cross the street see a doctor have a rest read in bed wait in line take care of her eyes cross the street 过马路过马路1.The light is red. You shoudnt cross the street. Youd better wait in line.2.Alice has a stomachache. She shouldnt eat many ice-creams. Shed better see a doctor.3.Its late at night. They shouldnt make a noise. Theyd better keep quiet. 4.Listen to the teacher. We shouldnt play games. Wed better have a rest.5Alice is reading. She shouldnt read in bed. She d better take care of her eyes.