.Several loudspeakers are _______ from the ceiling and we can hear the speaker very clearly.

 A. connected B.sustained C.associated D.suspended
出自:河南城建学院大学英语(二)

完成拼图验证

按住下方滑块,将拼图拖到缺口处后松开。

拼图背景,将小拼图拖到缺口处
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