Choose the correct options to complete the sentences

The African forest elephant is a bit ... than the African savanna elephant.

• smaller
• more small
• more smaller

Do you know which animal runs .... in the world?

• the most fast
• the fastest
• the most fastest

I don't think hunting is ... than habitat destruction for animals.

• dangerouser
• more dangerous
• most dangerous

This turtle is the ... reptile in the world.

• most old
• eldest
• oldest

Now I think about protecting flora and fauna ... than I used to.

• more often
• most often
• oftener

Jane believes pandas are ... animals in the world.

• more beautiful
• the beatifullest
• the most beautiful