Can anyone help me to solve this question

Transform the following sentences as per the instruction .

1. I am as strong as him. (change to comparative form)
2. Mercury is the smallest planet in the Solar System. (use: smaller)
3. Iron is the most useful metal. (Superlative, use ‘as’)
4. Dechen is prettier than any other girl in the school. (change into superlative)
5. He was greater than most other men. (change into superlative)
6. No other fruit is as sweet as a mango. (change into superlative)
7. Very few countries in the world are as large as China. (change into superlative)
8. She was careful when she lifted the vase. (End: ...carefully.)
9. Sing a song of bravery on the stage. (Begin: Let ...)
10. He is as brave as a lion. (change into comparative)