Вставьте 's или s' там, где это необходимо. 1. This hamster is Billy... pet. 2. This tortoise is Billy... and Bob...

1. This hamster is Billy\'s pet. 2. This tortoise is Billy and Bob\'s pet 3. I have got a grandmother and a grandfather. My grandparents\' car is not new. 4. Mrs. Black\'s dog is the cleverest animal I know. 5. The Blacks\' dog doesn\'t eat bread. 6. Mr. Smith\'s family is not large. 7. Tom\'s brother is a businessman 8. I have got two friends. My friends\' grandparents don\'t work. 9. I have got two sisters. There is a nice picture in my sisters\' room. 10. Mrs. Porter\'s house is very nice.