thecustom sendingbirthdaycardsbeganinthe19thcenturyA ofBwithConDabout
题目
the custom ____ sending birthday cards began in the 19th century A.of B with C on D about
英语2021-04-12 18:11:59
优质解答
1、B about是“关于”
翻译：他们正在写的这本书是关于未来生活的
2、B not…any longer=no longer…“不再”的意思