must与should表示建议和禁止 — 英语词汇题
题目
根据句意，从 must, should, mustn't, shouldn't 中选择合适的词填空，每词限用一次。1. The traffic light is red now. We ______ wait. 2. You are too heavy. You ______ eat so much candy. 3. We ______ brush our teeth every day. It is a good habit. 4. You ______ play with fire. It is very dangerous.