Someone is singing in next room.Please go and see who it is.为什么是 who it is

I heard someone is singing.(改为简单句) I can here that someone is singing now 的同义句 someone is singing in the next room.同义句转换 ( ) ( ) someone singing in the next room I hear someone singing.我问老师是不是正在进行时,老师说是,那么为什么someone 后面不加上 is 现在进行时不都是 is/are doing I singing someone doing heard my honework while was I I hear someone singing in the reading room.其中singing 是什么结构呢. 2.Listen!Someone ____ in the next room.A.sing B.singing C.is singing D.are singing I heard he is singing.是病句么?能不能改为I heard that he is singing. Listen!someone is singing there .it ________ beautiful.Ahers Blistens Csounds Dlooks. Someone is singing in the next room.（同义句转换） Listen!Someone is singing next door.Who ( ) it be?填can还是may? Someone is singing now.Who （）it be?A.must B.should C.can D.will 英语翻译Today is the National Day.It is our country＇s birthday.Now she is 56.I am very happy.　　Today in the afternoon,I go to the park,people all look so happy.Someone is doing exercise,someone is singing the nation song.A little girl comes Someone is singing in next room.Please go and see who it is.为什么是 who it is she is singing now.I am singing now,too.同义句 I dislike it when someone i dislike is with someone i like. Listen!There _____ someone singing in the next room .1 has 2 have 3 are 4 is What I enjoy _ with some of my friends.A.singing B.to sing C.is singing D.is sing