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! 2022-05-28 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 If people don’t learn from this, then his suffering and death were __________.A: in vainB: on vainC: for vainD: to vain 答案: 查看 举一反三 To cry over spilled milk is to cry() A: in a vain B: in the vain C: in vain D: in no vain We know that their deaths were not___(in vain). vain He ____ in vain to make his wife happy. We tried ________ vain to make him change his mind.