Помогите составить 10 предложений сравнительной и превосходной степенью прилагательных на англ. языке

1 He is the best pupil in our class

2 This actor is the most popular in USA

3 He is the bravest person I have ever seen

4 It is the most difficult decision in my life

5 Yesterday I watched a programm about the strongest people of the world

6 Nobody know chemistry better than you

7 that task is easier than that one

8 Natural juice is more useful than Coca Cola

9 My sister is elder than my brother

10 Our life is better then life of our parents