There are still two postcards on the desk. Lily doesn't know ________ she will write to. A. what B. ...
2022-10-14 22:13:24 93次 人教新目标九年级英语全册 Unit 3单元测试卷 单选题 反馈错误 加入收藏 正确率 : 100%
题目内容：
There are still two postcards on the desk. Lily doesn't know ________ she will write to.
A. what B. whom C. when D. where
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