______our part as a global citizen, we need to know what is happening in the world. A.To do B.Doing ...
2022-05-07 06:22:10 115次 黑龙江省20192020学年高二下学期期中英语试卷 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
______our part as a global citizen, we need to know what is happening in the world.
A.To do B.Doing C.Having done D.Done
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