should/shouldn't建议句型 — 英语情景题

补全对话。Lily 感觉喉咙痛，Sam 根据医生的话给她提建议。每空一词。 Lily: I have a sore throat and I feel bad today. Sam: You (1)________ drink some warm water. Lily: Can I eat ice cream? It's my favourite. Sam: No, you (2)________. You (3)________ eat too much cold food. Lily: OK. What else (别的) should I do? Sam: You should (4)________ a good rest and go to bed early tonight. Lily: Thank you, Sam. You are a good friend.