--- Jack is a hard-working boy.
--- Yes. All of us want to recommend him the Best Student Award.
A．as B．for C．to D．from
---You look so tired!
---Yesterday I waited for my mum she came back at 12 o’clock.
A．before B．after C．until D．when
---This dress is a little . Can you show me another one?
--- What about the orange one?
A．cheap B．high C．low D．expensive
--- Excuse me, sir. Would you please the total cost of the trip?
--- All right, I will make it at once.
A．look out B．put out C．go out D．work out
--- How _____ hours do you sleep a day?
--- Well, about eight hours. But how _____ sleep do we students really need?
A．many; many B．much; much C．much; many D．many; much
刘伟，无臂钢琴演奏者。他十岁时在一次意外中失去双臂，但他并没有放弃成为一名钢琴家的梦想。经过刻苦用脚练习弹琴，他最终在“中国达人秀”（China’s Got Talent）的舞台上实现了自己的梦想。请根据以上内容写一篇英语短文。
要求：
简要描述刘伟的经历；
谈谈从他的经历中得到的启示；
词数80左右。开头已给出，不计入总词数。
Liu Wei, an armless piano player, has a very special experience.
