1 The Eath climate becomes hotter and hotter.
2 Our trip became harder as it began to snow.(hard)
3 The plane tickets are the most expensive.
4 I agree that Kate is more serious than others.
5 As the time went on we became more nervoud because he didn’t come
6 The pollution of environment is becoming worse and the problem to solve more difficult.
7 Dolfins are the cleverest/the most clever. mammals.
8 He is my best friend.
Объяснение:
