1
1. Is Mark having
2.is working
3.isn t using
4.are sitting
5.are you listening
6.am reading
2
(7) are you doing
(8)am cooking
(9)are they watching
(10) aren t watching
(11)is painting
(12)is nina helping
3
13 are you talking
14I don t need
15 we go
16 do you understand
17 he s getting
18 hates
19 are you laughing
20 do
Sper sa fie corecte