comparatives - correct the mistakes

We're not going to win. Their team has 20 members more than ours.

The air quality in Tsim Sha Tsui is bad. The air on Lamma Island is more fresher.

Stopping wearing that hoodie. Get a coat. It's warmer.

The vet said my cat needed to lose some weight, so now she is thiner than before.

Ew. My pizza is more disgusting than yours.

I like going to Jen's Cafe more than Starbucks because the staff is more nice.

My umbrella is biger than yours.

Walking in mud is disgusting. Walking in mud when it's raining is more disgusting than.

I think doing listening is easier doing Read Right.

I'm getting lunch set B. I think it looks more attractiver than the noodles.

Asian elephants are not small, but African elephants are more bigger than.

The old scissors are dull. This new pair is sharper.