题目
Alice has cheered the boy up by singing a song改为被动语态
提问时间：2020-11-01
答案
以下这几种说法都是正确的,请挑选吧：
The boy has been cheered by Alice's song.
The boy has been cheered by the song Alice sang.=The boy has been cheered up by the song which Alice sang.
The boy has been cheered by Alice's singing a song.
The boy has been cheered by the song Alice has sung.
The boy has been cheered by Alice's song.
The boy has been cheered by the song Alice sang.=The boy has been cheered up by the song which Alice sang.
The boy has been cheered by Alice's singing a song.
The boy has been cheered by the song Alice has sung.
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