I wonder whether the soldier is one of those who _______ abroad to keep peace. A．has been sent B．hav...
2022-12-15 08:23:24 69次 2015届上海市高一下学期期中考试英语卷（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
I wonder whether the soldier is one of those who
_______ abroad to keep peace.
A．has been sent B．have been
sent C．have sent D．has sent
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