活期账户在下列（）状态不能取款或清户.
A.挂失
B.止付
C.冻结
D.以上都是
参考答案：A, B, C, D
Are you suggesting that I _____ too old for the job?
A．am
B．should be
C．be
D．was
什么是锥体侧倒角？
