The girl was often heard happily in her room. A．sing B．to sing C．singing D．sings
2022-12-10 12:29:18 60次 2016年中考英语专项突破动词时态、语态及情态动词易错题汇编（解析版） 单项填空 反馈错误 加入收藏 正确率 : 100%
题目内容：
The girl was often heard happily in her room.
A．sing B．to sing
C．singing D．sings
本题链接：
