So there appeared the first postage stamp in 1840.(保持原句意思) So_ _ _ _ ___ in 1840.

分类: 作业答案 • 2021-12-01 09:31:15

问题描述：

So there appeared the first postage stamp in 1840.(保持原句意思) So___ ___ ___ ___ ___ in 1840.

答

the first postage stamp appeared

So there appeared the first postage stamp in 1840.(保持原句意思) So___ ___ ___ ___ ___ in 1840.