（题文）Science and technology is changing fast nowadays.I bought this MP3 player at

题干

（题文）Science and technology is changing fast nowadays.I bought this MP3 player at the beginning of this year but now it’s out of 　　　.

A．date	B．order
C．use	D．sight

上一题下一题 0.85难度单项选择更新时间:2014-06-15 08:00:18

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