Mary is often heard ________ playing piano in the next room in the evening. A．practise B．to practise...
2023-02-07 16:30:42 64次 2009-2010学年度淮安市淮阴区第二学期期末高一年级调查测试 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
Mary is often heard ________ playing piano
in the next room in the evening.
|
A．practise
|
B．to practise
|
C．practising
|
D．practiced
|
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