1.Sussan can’t cook so good as Mary. > Mary is
2. Mary doesn’t write so beautifully as her friend. >Her friend
3.Sussan typed better than Mary. >Mary 
4.In this class the girls don’t talk so much as the boys. >The boys 
5 . My exercise wasn’t so good as yours. >My exercise 
6 . He is clever than his brother. >His brother isn't 
7.My flat isn’t as comfortable as yours. >Your flat 
8.The garden is smaller than we hoped. >The garden 
9.Mr. Johnson is the happiest man on earth. >No man on earth
10.Oxford is not so interesting as London. >Oxford