1) Long's / is going to school.
2) Her mother's / is reading books in her room.
3) I'm not/ I am not play football now.
4) He isn't / is not having breakfast.
5) We're /are dancing.
6) Are you doing the housework?
7) We're are decorating our house.
8) Is Phong driving to work.
9) Mrs Lien is watering flowers.
10) They are swimming at the moment.