信用社应对拟贴现或转贴现贴入的商业汇票原件进行审验，确保（）。
A.票据真实
B.票面要素齐全
C.背书连续
D.签章规范
参考答案：A, B, C, D
My book, The House of Hales, is missing. Who ________ have taken it?
A．need
B．must
C．should
D．could
隆庆青花
