用适当的介词或副词填空.1.Many childrenare afraid _______ dogs.2.Trouble rhymes ________ bubble. 3.Her cat likes sleeping ________ her knees. 4.She often plays a trick _____ the litte boy.
1.Many childrenare afraid __of_____ dogs. 2.Trouble rhymes __with______ bubble. 3.Her cat likes sleeping __on______ her knees. 4.She often plays a trick _on____ the litte boy.