2010版商业汇票底纹采用()。
A、浅黄色底纹
B、蓝色底纹
C、绿色底纹
D、蓝绿双色底纹
参考答案:D
I would have attended your birthday party last night but for the fact that it at that time.
A.was raining
B.would rain
C.had rained
D.had been raining
谁开创了断代的纪传体史书体例?