问题
选择题
---Look, our headmaster is over there, playing basketball with some students of our class.
--- Oh, he must be ________ to his students.
A．possible
B．valuable
C．available
D．accessiblee
答案
答案：D
四个选项分别表示合适的、贵重的、有效的和易相处的，根据题意选D，和学生一起打篮球，这样的校长肯定是易相处的，故选D。