“阴狐疝气者，偏有小大，时时上下，”当用（）。
A．甘草粉蜜汤
B．鸡屎白散
C．蜘蛛散
D．藜芦甘草汤
E．乌梅丸
参考答案：C
To learn English well, we should find opportunities to hear English ______ as much as we can.
A．speak
B．spoken
C．speaking
D．to speak
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