the singing of the bird in sprig sounds ()I always go to the

What wonderful music!It sounds ()the singing of the bird. I'd like to hear the bird _____ in the morning a.singing b.s the singing bird与the bird to sing 的区别 The bird is singing on the t_____ of the house. I always hurry to school in the morning.同义句 I always go to s Flowers always bloom in spring the bird I can see a bird is singing in the picture.应不应该有is. they heard a bird singing in the tree on their w() to school bird the in singing tree is a 连词成句 a bird is singing in the old tree Let's go to the zoo!sounds( ) listen to the bird in the tree.