All the people sing a song together at his birthday party现在时

All the people sing a song together at his birthday party现在时 Tom can sing a song at the party 对sing a song提问； can you hel Tom can sing a song at the party(对sing song提问） 把They heard her sing a song at the party .改成被动语态 连词组句并翻译 Celina sing a song at the party next Friday I will sing "happy birthday" ____Jim____English at the party Mary ________ the song at a party. He will sing a new song at the party.（改被动语态）A new song__ __ all the students have great fun_(sing)at the party sing a song 现在进行时 英语语法问题All the people present at the party were his supporter 按要求改写句子!1.she is going to sing a song at the party(改为一般疑问句）_