Liu Tao: OK. Can I drink any cola?
Doctor: No, you should drink some warm water.
【高分句型】
1. Can you help me?
表达寻求帮助时的句子:Can you help me?
2. You should take some medicine and have a rest at home.
表达建议:should +动词原形
3. Can I drink any cola?
表达寻求许可:Can I+动词原形...?