Turn the following sentences into the interrogative :1.The dog is running after the cat. 2.I am crossing the street. 3.The children are playng happily. 4.We are walking in the Park. 5. My friend is listening to a new record. 6.I am having supper. 7.We are Talking about the film. 8.It is raining now. 9.You are working hard total. 10.The girls are sitting under a tree.