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6. drink enough water 7. take some medicine 8. keep away from crowded places □ □ □ □ □ □ □ □ √ √ √ √ √ 1. May I ask you some questions, Dr. Li? Sure, go ahead. 2. What should we do to prevent it. 5. Must we go to see a doctor at once when we have the flu? 3. First...second... third...finally... 4. We should exercise often to build us up. 6. We39。ll take your advice. prevent 同意別人的請求 build sb. up使某人強壯 否定回答不能用 mustn’ t take one’s advice采納某人的建議 give sb. advice 給某人建議 we should exercise often to build us up. First, Second, Third, we should wash our hands and change our clothes o