1. a/-
2. -/-
3.a/-/an
4.-
5.-
II
1. is feeding
2. is cleaning
3. is painting
4. are washing
5. am washing
6. are brushing
III
dresses, cars, boys, cities, leaves, men, geese, mice, watches, fishes, money, trousers
IV
1. are running
2. am not doing
3. are going
4. is sitting/ is studying
5. is walking
6. are watching/are not listening
7. is not eating/is sleeping
V
1. small - smaller - the smallest
2. big - bigger - the biggest
3. much - more - the most
4. beautiful - more beautiful - the most beautiful
5. merry-merrier - the merriest
6. nice - nicer - the nicest
VI
1. Did they boys listen to music yesterday?
2. Who listened to music yesterday?
3. Did they boys or girls listen to music yesterday?
4. The boys listened to music yesterday, didn't they?
1. Is she writing an English exercise at this time?
2. What is she writing at this time?
3. Is she or he writing an English exercise at this time?
4. She is writing an English exercise at this time, isn't she?
VII
1. I'm writing a letter
2. I'm doing an exercise
3. They are playing football.
4. She is not working
5. He is not reading
6. Her sister isn't sleeping
7. She is going to school
8. Are they reading?