1) The living room looks great with all the decorations on the walls.
2) "What is Chris doing?" - "He is busy. He is doing his homework."
3) At Halloween, people wear strange costumes.
4) She can't go out, she's making a phone call at the moment.
5) Lucy is making a special dish for dinner tonight.
6) Grandma is doing the gardening now.
7) On May Day people make beautiful wreaths.
8) The room looks dirty. Let's do the dusting.