Thegirl is singing in her room.改为一般疑问句怎么改?

Thegirl is singing in her room.改为一般疑问句怎么改? thegirl is from j_______she. speaks japanese. I heard he is singing.是病句么?能不能改为I heard that he is singing. she is singing now.I am singing now,too.同义句 I heard someone is singing.(改为简单句) What I enjoy _ with some of my friends.A.singing B.to sing C.is singing D.is sing I think she is good_____ (sing)I think she is good at singing ? 对吗 1 he is studying in an i___ school 2 the apple is too high for me _____(reach）3 the bag is so heavy that i can`t carry it改为同义句） the bag is ____ heavy _____ me____carrythe girl is too young to ride a bike (改为同义句）thegirl is __ 同义句转换 He likes singing in his free time Singing i同义句转换He likes singing in his free timeSinging is（）（） I hear a little boy_____a beautiful song in the morningA.singing B.is singing c.to sing D.sings the boy is singing Jane is good( )singing.( I'm singing my I like singing (问句) I like singing ,e___ singing pop songs. 怎么把一般陈诉句改成一般疑问句把the girl is danceing in the hall.改成有thegirl inthehall? I can see a bird is singing in the picture.应不应该有is. I heard him singing改为被动语态which is correct?then I heard him sing?