A． lostB． activeC． busyD． interested

A．supportiveB．activeC．representativeD．protective

He likes reading short stories in his spare time.A.shortB.freeC.busyD.long

【C19】A．lostB．vibratedC．loosenedD．missed

A．diligentB．activeC．persistentD．responsible

时钟控件只有一个事件是（)A.ClickB.ActiveC.TimerD.Load

OLT上联口链路聚合常用的方式有（)A.passiveB.activeC.onD.up