问题
选择题
As the boy listened attentively in class, everything his teacher said was easily______.
A．for him to understand
B．understood
C．to understand
D．to be understood
答案
答案：B
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As the boy listened attentively in class, everything his teacher said was easily______.
A．for him to understand
B．understood
C．to understand
D．to be understood
答案：B