Question

_______ in the war, many children have become orphans(孤儿). A．Their parents were killed B．B

_______ in the war, many children have become orphans(孤儿). A．Their parents were killed B．Being killed C．Their parents killed D．Killed

Answer 1

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。