创新的第一步应该（）。
A.寻找机会
B.设计行动方案
C.等待时机
D.提出构思
参考答案：A
She promised to come and help us, and _______________.
A．so did she
B．so she did
C．so she would
D．so would she
达到报废标准的哪些车辆应在公安交管部门的监督下解体？
