----Mike. Is that smart phone___________?---- Yes. My mother bought it for me yesterday.

— Do you know the young boy  ________ is reciting a Tang poem over there?   — Yes. He's a friend of  ________ .

The girl is doing _______homework at home .

 ---Which club would you like to join, art club or basketball?  --- _______ is OK. I’m good at them.

--Is your brother’s name Tom? --- Yes , ____ is.