Ex. 16, p. 11
- Are Tom and Jane busy? Yes, they are
What are they doing? They are brushing their teeth.
- Is Michael busy? Yes, he is
What is he doing? He is feeding his cat.
- Are Nick and Judy busy? Yes, they are
What are they doing? They are doing their homework.
- Is Mary busy? Yes, she is
What is she doing? She is painting the walls.
- Are they busy? Yes, they are
What are they doing? They are playing football.
- Are you busy? Yes, I am busy.
What are you doing? I am brushing my hair.
- Are you busy? Yes, I am busy.
What are you doing? I am doing my morning exercises.
- Is Linda busy? Yes, I am busy.
What is she doing? She is washing her clothes.