题目内容
_______ in the war, many children have become orphans(孤儿).
| A.Their parents were killed | B.Being killed | C.Their parents killed | D.Killed |
C
考查独立主格结构。根据句中逗号可知考查非谓语动词,their parent与kill为被动关系,故用过去分词,选C。
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