We should have a discussion before making the final decision.
A：possible
B：valuable
C：proper
——We'd better check the conditions of the car before starting our journey.——OK, ______.
有关岩石圈的物质循环的叙述，正确的是（ ）
全班有35人这次测验得了优秀，8人得了良好，这个班级一共多少个人？
