用英语写预防流感的小短文(关键词:must,must not)

如果你想要预防流感,你一定要遵守以下这些建议。If you want to prevent THE FLU ,you must obey these advice 。 1。要养成良好的生活习惯 You must have good habits。2。饭前要洗手,勤洗手。 You must wash your hands before having ,ofen wash your hands。3。要均衡饮食。 Must have a healthy, balanced diet。4。一定不要去拥挤的地方。 Must not go to the crowded places。5。一定要保持室内的清洁。 Must keep the living environment clean 。