8.
(1) is
(2) is
(3) are
(4) am
(5) aren't
(6) is
(7) is
(8) am
(9) is
(10) is
9.
1. I
2. She
3. He
4. They
5. He
6. It
7. We
10.
1. Our
2. Their
3. Her
4. Their
5. I
6. ours
7. It
11.
1. the most expensive
2. the most popular
3. the cleverest
4. the most difficult
5. worst
6. the highest
7. best
12.
1. is taller
2. is longer
3. prettier
4. the richest
5. the most popular