1、 it's the most difficult test l've ever done
2、 it's the least interesting book l've ever read
3、 this policeman is tall.But that policeman is taller.he is the tallest policeman i have ever seen
4、 the more people you know,the less time you have to see them.
5、 it takes her only half an hour to get to work but it takes him an hour and a half
6、 Mr.Smith is five years older than Mrs.Smith
7、 the french film is as interesting as the Chinese film.
8、 the french film is not any less interesting than the Chinese film.