1. There are lots of nice parks in our city, but this one is better/the best.
Odp: the best

2.The city swimming pool is bad/worse than the swimming pool at the new sports centre
Odp:

3.Walking to school in summer is better /the best than going by bus.
Odp:

4.The Railway Museum in our city is really good/better.
Odp:

5.The worse/worst thing about our city is the traffic.
Odp:

6. This restaurant is really bad/worse. The food is horrible and the waiter is rude.
Odp: