Answer the questions 1) are you answering the teachers questions? 2) is your sister sleeping? 3) is your mother preparing dinner? 4) are you playing the piano? 5) are your friends playing chess? 6) is your father looking throught the newspapers? 7) is the dog barking in the yard? 8) are you doing your homework? 9) is the sun shining in the sky? 10) are you listening to the radio? 11) are you sweeping the floor? 12) what are you doing?