1. D
=>Mary -> Mary's car
2. D
=> teacher -> the teacher
3. A
=> is the highest -> is higher
4. C
=> well cooks -> cooks better
5. B
=>studious -> studious as
7. B
=> twice longer -> twice as long
8. C
=> many -> much
9. B
=> the feweat -> the least
10. B
=> longer one kilometer -> one kilometer longer
11. A
=> fast -> faster
12. B
=> much -> more
~ GOOD LUCK ~