如图所示，两个可视为质点的、相同的木块A和B放在转盘上，两者用长为L的细绳连接，木块与转盘的最大静摩擦力均为各自重力的K倍，A放在距离转轴L处，整个装置能绕通过转盘中心的转轴O₁O₂转动．开始时，绳恰好伸直但无弹力，现让该装置从静止开始转动，使角速度缓慢增大，以下说法正确的是（   ）

A．当 $\omega >\sqrt{\frac{2Kg}{3L}}$ 时，

根据下列句子所给的提示及句意，写出句子空缺处各单词的正确形式。
1.I never feel ____ (无聊的) or unhappy when he is with me.
2.He lives____ (独自), so he often feels ____(寂寞).

3.This dress is very popular this year. Do you know who the____ (design) is?
4.He didn't ____(出现) until ten o’clock last night.
5.They are having an ____ (采访) with Mr. Green about the changes in his hometown.
6.Traveling____(到国外) has become fashionable.
7.The castle looked____ (shine)and beautiful under the fireworks.