3. Underling the correct item. 19) Mike is flying/ will fly to Paris on Monday. 20) The doorbell is ringing. I will/am going to answer. 21) We haven't got any oranges. Will you buy / Are you buying some? 22) She is tired. She will/is going to sleep early tonight. 23) It's too cold. I will/ am going to close the window. 24) Ann is visiting Paris. She will/is going to see the Eiffel Tower. 25) My mother is going to/ will buy a new car next week.