掉钱是主动的,而句子确实表被动的,数荧 不对,该一下就可以了：Poor Tom,he lost his pocket yesterday那比如说 We must have our homework done by the end of this weekend. 也是错的吗？也错。have sth done 是请别人做某事的意思，不是自己做也就是说 I want to have my car repaired. 表示车”被修“而不能是”自己修“是吗？是的