学帮网The song____(sing) many times by the students in the past several months
来源：学生作业学帮网 编辑：学帮网 时间：2024/05/15 02:05:24
The song____(sing) many times by the students in the past several months
应该填 has been sung
用现在完成时的被动语态.
在过去的几年间这首歌被学生们唱了很多遍.
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来源：学生作业学帮网 编辑：学帮网 时间：2024/05/15 02:05:24
The song____(sing) many times by the students in the past several months
应该填 has been sung
用现在完成时的被动语态.
在过去的几年间这首歌被学生们唱了很多遍.