本站提供高二英语选修6 module5 cloning grammar课件
外研版高二英语选修6 module5 cloning grammar课件
If I were you, I would give up smoking.
If I had time, I would learn French.
If you had taken my advice, you would not have failed the exam.
If I were to do it, I would do it in a different way.
If it should snow tomorrow, we could have a snowball fight.