将下列句子组成一段语意连贯的话，排序恰当的一项是( )①前者立足忍耐，相信时间能改变一切②这是两种不同的生存智慧③不少动物吃饱喝足，躲进洞穴睡上的一个冬天④候鸟却要成群结队地远走高飞⑤到另一个更适宜生存的地方过冬⑥每当严酷的冬季来临⑦它们就这么轻松地熬过了最困难的时期⑧后者却勇于拼搏，以空间的变化来达到目的

In Shanghai Expo，the exhibitions, which we have already visited, are all excellent.-________， there are many other interesting things for you to do.[ ]

to hold the sports meeting next weekend, ________ the air quality becomes better.

Where is my suitcase-Somebody_______it away by mistake．

Could you tell me ____ last night– At 10:00 pm.