Mr Mu. When did the earthquake happen in Ya’an,—-____8:20______morning of April 20th,2013.

you come to my birthday party tonight — I’d love to, but I______ on a patient at 6o’clock.

一次填入下面一段文字横线处的语句，衔接最恰当的一组是（ ）我们都听过一句话“高收入伴随着高风险”，____，____，____，____，____，____，无异于痴人说梦。可以说，一个人爱不爱冒险，敢不敢冒险，与他的收入息息相关。①靠每个月拿固定工资变成世界前500强的富豪②比如抓住机遇进行风险投资③在股市和房市中大赚一笔等④那些站在食物链顶层的能人⑤大多都有着“险中取胜”的经历，⑥若想要只依靠天天卖煎饼卖成亿万富翁

Mum, the meat on the table tastes _____. —You shouldn’t eat any of it. Just throw itaway.

Why didn’t you answer my phone call, Jack—I’m sorry, but I ________ then.