未分类题

which belong(s) to input device?

A、Mouse
B、Screen
C、Keyboard
D、Printer
此题为多项选择题。

【参考答案】

A,C
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() are E busimess models.
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In some locations retail stores and media companies team （）to operate kids clubs －－－a form.of marketing.

A.up
B.out
C.on
D.in
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