一.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 did the doctor do? The doctor gave them some advice,二.找找看,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,三.同学们，注意了,can 可以，能够 cant 不可以，不能,can是情态动词，后跟动词原形，而且它不随人称的变化而变化,四.我会做,1.There are (many
