It's said that______ umbrella was invented over four thousand years ago by Chinese people.A.a B.an C.the D.\但是我绝得A也可以选呀,
问题描述:
It's said that______ umbrella was invented over four thousand years ago by Chinese people.
A.a B.an C.the D.\
但是我绝得A也可以选呀,
答