As we all know,junk food ____________________(對……有害)our health.
The doctor told him to ___________________(與……保持距離)rich food,alcohol and tobacco.
________________(說實(shí)話),I don't think we have a chance of winning.
The students in my class _______________(意見一致) that the exam was difficult.
You must keep to the rules ________________(即使)you think they're unfair.