谁知道 有一句 just singing in the song 的英语歌曲

谁知道 有一句 just singing in the song 的英语歌曲 Singing for the Lonely歌词谁知道? Just only last song!Singing for you .有语法错误, 为什么这里不要还原to?I heard the boy singing just now.The boy was heard singing just now. 谁知道 I just for you 谁知道just once的歌词? just now I heard students 【singing】in the classroom .为什么用singing,而不用sing?just now I heard students 【singing】in the classroom .为什么用singing,而不用sing? i am singing in the rain 是哪的歌词i am singing in the rain just singing in the rain.哪的歌 I heard him_____in the next room just now.A singing B.sing请问选哪个正确,为什么?此句有just now 还能用singing吗？ ﹌Just Rememb | ﹌Just so so 谁知道 I heard Amy singing in the next room just now怎么改被动语态? I heard her___ in the next room just now.A sing B singing just want you to know 中文歌词谁知道? 谁知道just us中国官网~~求助 They are singing now.（用 just now改写） They ＿＿＿＿justThey are singing now.（用 just now改写）They ＿＿＿＿just now. she was heard singing song just now如果有确定的时间,如yesterday morning 是用heard to sing 还是heard singing The children are singing ang dancing h____.有谁知道这里应该填什么单词吗? We heard her singing the popular English song in the next room just now.由主动语态变成被动语态:____ ____ ____ singing the popular English song in the next room just now.