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?