Lesson 9sweetsthe doctorsworried thin and weakhot healthy 123456sweetsthe doctorsworried thin and weakhot healthy 123456sweetsthe doctorsworried thin and weakhot healthy 123456sweetsthe doctorsworried thin and weakhot healthy 123456sweetsthe doctorsworried thin and weakhot healthy 123456sweetsthe doctorsworried thin and weakhot healthy 123456sweetsthe doctorsworried thin and weakhot healthy 123456Listen and fill the blanks Jack is Mrs Kings . He is . His , Mrs King, is . The mother and son to the doctors. The doctor . them some . the doctors advice.sonthin and weakmotherworriedwentgavegood adviceHeres想一想：想一想：1.Who is Jack?He is Mrs Kings son.2.Whats wrong with him?He is thin and weak.3.What about his mother?She is worried.4.What should they do?They went the doctors.5.What did the doctor do?The doctor gave them some advice.Please notice：can 可以，能够可以，能够cant 不可以，不能不可以，不能can是情态动词，后跟动词是情态动词，后跟动词原形，而且它不随人称的变原形，而且它不随人称的变化而变化。化而变化。The doctors advice:2.What cant Jack do? He cant eat many sweets. He cant have too much drink. He cant eat only one kind of food. 1.What can Jack do? He can drink milk every day. He can eat fruits and vegetables. He can eat some meat and fish.