Bài đầu: 1. Is the sun shining? - Yes, it is.
2. What is Mary doing now? - She is watching TV in her room.
3. Is her father reading newspapers? - Yes, he is.
4. What is her mother doing? - She is cooking in the kitchen.
5. What is her dog doing? - It is playing with a cat in the garden.
6. Does Mary love the dog? - Yes, she does.
Exercise 3: 1. are speaking
2. is coming
3. is shining/are singing
4. goes
5. don't eat
6. is Oanh doing/is cooking/cooks
7. plays
8. are building
9. has
10. washes
11. are hurrying
12. Does...catch
13. Is...waiting
14. smiles/comes