Ответ:

1 is writing

2 is playing

3 is talking

4 are painting

5 are doing

6 are cooking

7 is watching

8 is kicking

Ex 2

1 she isn't writing.....

2 he isn't playing...

3 he isn't talking...

4 they aren't painting.....

5 they aren't doing

6 my aunt and uncle aren't cooking...

7 My friend Jack isn't watching

8 My friend Julia isn't kicking