A radio is on .It ____(begin) when I went ti bed two hours ago and it hasn't finished yet.
来源:百度知道 编辑:UC知道 时间:2024/06/07 09:29:18
用适当的形式填空……
告诉我填什么
并为什么要填这个答案
谢谢哈^^
告诉我填什么
并为什么要填这个答案
谢谢哈^^
began
因为后面的时态是when i went to bed two hours ago.(过去式)
...when...前后的时态是一致的`
had beginned
是过去完成时
因为我去睡觉是过去时,而收音机开始是在睡觉之前,因此是过去的过去,用过去完成时
began
when+一个时间点,只表示过去的时间点,所以用过去时。
began
A radio is on .It ____(begin) when I went ti bed two hours ago and it hasn't finished yet.
on the radio 超舞原曲
on the radio歌词
on the radio下载
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