4/
1. Mary is as intelligent as his brother.
2. A lemon is not as sweet as an orange.
3. A donkey is not as big as a horse.
4. This dress is as expensive as that one.
5. The weather is not as cold as it was yesterday.
5/
1. play the piano
2. write some notes
3. draw a picture
6/
1. neither
2. so
3. was, too
4. so did
5. do, too
6. so will
7. don't, either
8. so are
9. won't, either
10. doesn't, either
7/
1. I do, too.
So do I.
2. My sister does, too.
So does my sister.
