H7N9 bird flu is a virus can make people die. We’d better stay away from birds at present. A. who B....
2022-10-30 00:30:54 94次 泽林牛津版2018届九年级下Unit3单元试卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
H7N9 bird flu is a virus can make people die. We’d better stay away from birds at present.
A. who B. which
C. what D. whom
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