Listen,the bird_____(singing,is singing)in the tree.
Listen,the bird_____(singing,is singing)in the tree.
Listen,the bird is singing in the tree.listen 为什么不用加ing?
listen,who is singing in the classroom?
listen some birds are singing in the tree
填空:Listen!Many()are singing in the tree.
The birds are singing in the tree.对singing提问
bird the in singing tree is a 连词成句
a bird is singing in the old tree
Listen!Helen is singing in the next room.
Listen!Who is singing in the next room?这里为什么要用singing
The bird in the tree is singing.划线部分提问 in the tree 是划线部分
Listen!Many birds are singing()the tree 填什么介词