按照有无随附单据，汇票可分为（）。
A.即期汇票
B.远期汇票
C.光票
D.跟单汇票
E.银行汇票
参考答案：C, D
习 * * 说：“年轻人朝气蓬勃，是祖国的希望。”有人主张80后是幕气沉沉的一代，90后是垮掉的一代，你怎么看
I was wondering ________ that you took up smoking. [ ]
A. it when was
B. when it was
C. it was when
D. was it when
