5、y,__________(raise)hisglass.[答案] raising6.Whilewewereswimmingintheriver,astrangesituation__________(arise)wheresomefish,whoseheadslookedlikesnakes,wereingtous.[解析] 句意:当我们在河里游泳的时候,一个奇怪的现象出现了,一些头部看上去像蛇的鱼向我们游来。[答案] arose7.Everyminutemustbemadeuse__________tostudywell.[解析] ma