My brother was earning much less in his previous job than he is now (more)

1. My brother was earning much less in his previous job than he is now. (more)
2. Chicken is cheaper than beef. (more)
beer
is
more expensive than
Chicken
3. To my knowledge, speaking English fluently is easier than listening to conversations in English. (hard)
4. This is the most delicious lunch she's ever had. (more)
5. There is no better doctor in this hospital than Mr. Long. (best)
6. This is the fastest moving car I've ever driven. (fast)
7. There isn't anywhere as old as this castle in the city. (oldest)
8. Have you got any bigger shirt than that one? (biggest)
9. I am not taller than anyone in the class. (shortest)
10. The company's revenue in May is the highest compared to the previous months. (lower)