兰州大学 / 大学英语(3)
正确率:100%
_ _ _ _ , Edison began experimenting with something which he had made himself.
A.On August 12, 1877
B.In August 12, 1877
C.At 12 August, 1877
D.In 1877, August, 12
参考答案:
佳题速递: