原文是 people did not use paper money until the 15th century

问题描述:

原文是 people did not use paper money until the 15th century
那么In western country,people did not use paper money until the 15th century,did they?
改用Yes 还是 No 回答呢

No,they didn't.是的,他们不用了.
请及时采纳,多谢!