Comparitives and Superlatives - 03

Fill in the blanks with degrees of comparison: positive, comparative and superlative.
1. (tall) I am . John is than me. Mary is the .
2. (heavy) I am . John is than me. Mary is the .
3. (thin) I am . Scott is than me. Katie is the .
4. (light) I am . Katie is than me. Sam is the .
5. (big) A buffalo is . An elephant is than a buffalo. The whale is the .