1) My room is cleaner, than in my brother's.
2)My sister is the funniest child in the world.
3)Pandas are the nicest animals.
4)I was excited, when my mum gave me new mobile phone.
5) Today is the worst day in my life.
6)This book is better, than that.
7)I have more homework today, than yesterday
8) This flowers are the best flowers in this shop.
Извините, я немного не поняла, что тут означает clear, но не баньте, когда вы скажете значение, я напишу в комментариях предложение не хватающее.