投保人对保险标的应具有（）
A、保险利益
B、保险标的
C、保险合同
D、保险金额
参考答案：A
Mary's pale face is a _____ that she _____ rather weak after the operation.
A．suggestion; be
B．sign; was
C．suggestion; is
D．sign; be
效率高：
