CNC的存储介质是（）。
A.纸带
B.磁盘
C.磁带
D.纸带、磁盘、磁带都有可能
参考答案：D
This is not my Walkman. It’s _________. Mine is over there.
A．our
B．hers
C．your
D．my
---Do you like the Moonlight Sonata ？
---Sure , it sounds really ________.
A．clear
B．clearly
C．beautiful
D．beautifully
