题目内容
根据句子的意思,用括号中所给英语单词的适当形式填空。
When I walked past, I heard her ________(sing) in the next room.
答案:singing
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题目内容
根据句子的意思,用括号中所给英语单词的适当形式填空。
When I walked past, I heard her ________(sing) in the next room.