单项选择题

What does the man want to know ？（）

A．When he can receive the order.
B．What the order number is.
C．When he should send the order.
D．What’s wrong with the order.

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填空题

What’ s special about the keyboard ？ Its keys are （）.

填空题

（46）处填（）。

What does the man want to know ？（） 您的浏览器不支持 audio 元素。