1
1) is drinking / drinks; 2) is eating / does she eat? 3) do they eat? / are they eating; 4) have; 5) like / am having; 6) plays; 7) are playing; 8) doesn't make; is making; 9) do you usually do?
2
1) Sally is older than Helen.
2) Sarah is the oldest;
3) Helen is more beautiful than Sarah;
4) Sarah is the most beautiful;
5) Sara is as slim as Sally.
6) Sally is taller than Helen.
7) Sarah is the tallest.
8) Sarah is as humorous as Sally.