染色拼色时三元色分别为（）
A、紫、绿、橙
B、黑、棕、青
C、红、黄、蓝
参考答案：C
Danny is on the train. He wants ___________. Jenny says, " Don't ___________ on it."[ ]
A. run, run
B. to run, to run
C. to run, run
下列属于票据行为的有（）。
A.保证
B.承兑
C.转账
D.出票
