问题
选择题
---Mr. Black, I find ______ difficult to play the piano well.
---Oh, I think you just need to practice more
A．it
B．it is
C．this
D．that
答案
答案：A
题目分析: 句意：布莱克先生，我发现要想把钢琴弹好很难。哦，我认为你需要更多的练习。It在本句中做形式宾语，真正的宾语为to play the piano well，故选A。