关注微信公众号《课帮忙》查题 关注微信公众号《课帮忙》查题 关注微信公众号《课帮忙》查题 关注微信公众号《课帮忙》查题 关注微信公众号《课帮忙》查题 关注微信公众号《课帮忙》查题 公告：维护QQ群：833371870，欢迎加入！公告：维护QQ群：833371870，欢迎加入！公告：维护QQ群：833371870，欢迎加入！ 2022-06-05 vain vain 答案： 查看 举一反三 If people don’t learn from this, then his suffering and death were __________. A: in vain B: on vain C: for vain D: to vain vain 2. do sth. in vain:____________ 翻译词组:be vain and superficial: ____ It was a vain attempt to ___________ the responsibility for the murder to somebody.
