Jim _____ a boy ._______father is a doctor. 

He found         very interesting to ride a horse on the farm.

 —Is this your baseball, David?   —No, it's not     . It's Helen's.

----Is your watch like Bill’s and Ann’s ? ------No. But it’s almost the same as _________.

Look! The students are playing on the playground. Some are running, some are playing basketball, ________ are watching.