Ответ:
1.is not watching
2.is going to sleep , he is tired
3.where does your uncle work ?
4.when do you usually come home from school ? i come at 5 o'clock
5.my sister is not playing the piano now
6.Are you reading a magazine and thinking about your holiday at the moment ?
7.I am sitting
8.when do you listen to the news on the radio ?
9.are you playing chess now ?
10. doesn't work
11.move , appears , it gets
12.don't drink , drink