I couldn’t help applauding for Liu Xiang’s excellent performance ________ he got the first prize on the stage in the 16th Asian Games.[ ]

Call me at 5: 30 tomorrow morning．—Why that early I _____ then．

ionally, college students hold a graduation ceremony to encourage themselves before they ______ on their life journey.

Playing balls together is a kind of activity_____ every playerneeds to be well-cooperated together

填入下面一段文字横线处的语句，最恰当的一句是（ ）围棋作为反映和体现人们心灵自由的智力博弃活动，在很长一段时间里，被认为不符合传统伦理观念。后来，人们逐步认识到这种观念是不对的。从东汉中后期到魏晋时期，人们逐渐开始从生命意义上来认识围棋的价值， 。围棋的地位最终得以确立，登入了“国艺”的殿堂。