【单选题】My father likes to play badminton, but my mother likes to play piano.
【单选题】-Your mum is very kind. 21cnjy -Yeah, My mum is pretty considerate, youknow what ,she alwaysarranges everything around me. 21cnjy
【单选题】Mum likes this old house in downtown better than the huge one in the country, but it costs almost .
【单选题】已知循环队列得存储空间为数组A[21],front指向队头元素的前一个位置,rear指向队尾元素,假设当前front和rear的值分别为8和3,则该队列的长度为( )。