напиши as или then
the oka is shoter ... the volga
ben is ... strong as his brother
andrew is not so tall ... jack
the weather in spring is more pleasant ... in late autumn
my bedroom is as comfortable ... my sitting room
my new book is more interesting ... the old book
the flowers on the flowered are not so beautiful ... the roses under the window

1)as

2)as

3)as

4)then

5)as

6)then

7)then