life is very c( )in a tall builing with the help of the lift

来源：学生作业学帮网 编辑：学帮网 时间：2024/06/29 01:47:37

life is very c( )in a tall builing with the help of the lift

convenient

convenient 方便的 句意：有了电梯的帮助，大楼里的生活十分方便