a) What is Jack doing? Is he writing a book? No, Jack is not because he is doing his homework.
b) Are you having fun? Yes, I am enjoying myself.
c) Are you going to the cinema? Yes, I am. Avatar is on today.
d) Are they enjoying soccer? Yes, they are.
e) What is that noise? I can't here you because I'm watching this film.
f) We are going on a picnic today.
g) Did you see Maya? She has a new car. She is really enjoying it.
h) Have you seen Meena and Linda anywhere? No, I haven't.
i) Has Michael finished making the table? Yes, he has.
j) This smell is absolutely delicious. What are you cooking Kate? Oh, I'm testing out my new recipe.
k) Can you hear this noise? No, I cannot. I'm listening to my new CDS.
l) Jack is enjoying Chinese this year at University.
m) Dana is cleaning rooms in the Moon Hotel. She likes her job.
n) Were they rolling in the grass? Yes, they were.
Hope this helps :))