---WhathashappenedtoJack?---He’shadoneofhislegs_____tryingtosaveaboy

发布时间：2020-08-13 02:23:27

---What has happened to Jack?
---He’s had one of his legs _____trying to save a boy from the fireA.injuringB.injuredC.being injuredD.to be injured

网友回答

B解析考察固定结构。Have sth done使…被做；injure受伤；结合句意可知B正确。句意：—Jack怎么了？—在努力从大火中救孩子的时候，他的而已条腿受伤了。
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