来自崔展鹏的问题
【Manyboysinourclassoftendotheirhomeworkverycareful.改出错误】
Manyboysinourclassoftendotheirhomeworkverycareful.改出错误


【Manyboysinourclassoftendotheirhomeworkverycareful.改出错误】
Manyboysinourclassoftendotheirhomeworkverycareful.改出错误
careful---carefully