p 5 ex 2
1youve been travelling youve been travelling,havent you?
2.shes been watchingshes been watching tv,hasnt she?
3.theyve been workingtheyve been working,havent you?
4.shes been helping shes been helping you,havent she?
5.hes been sleeping hes been sleeping,hasnt he?
6.theyve been studing theyve been studing,havent they?
7.you havent been waiting you havent been waiting,have you?
8.your friend hasnt been these days your friend hasnt been these days,has you?