Поставить в вопросительную форму1) She is cutting the cake now.2) The children are loking at hin now.3) Mary is going

I. 1) She is cutting the cake now. Is she cutting the cake now? 2) The children are looking at him now. Are the children looking at him now? 3) Mary is going to see the sights of St. Petersburg. Is Mary going to see the sights of St. Petersburg. 4) I am reading my English textbook now. Am I reading my English textbook now? 5) The birds are singing in the garden now. Are the birds singing in the garden now? II. 1) They are working at the library now. They are not working at the library now. 2) She is washing the cups now. She is not washing the cups now. 3) The teacher is sitting at the table now. The teacher is not sitting at the table now. 4) The boy is smiling now. The boy is not smiling now. 5) The dog is barking at me now. The dog isn\'t barking at me now.