1.a) The examination not as more difficult as we expected.b) The examination not so more difficult as we expected
2.a) The weather isn't as warmer today as it was yesterday.
b)The weather is not so warmer today as it was yesterday.
3.a)The situation isn't as still unpleasant as yesterday it was worse.
b)The situation is not so still unpleasant as yesterday it was worse.
4.a)I wasn't as a bit nervous before interview as usually I'm a lot more nervous.
b)I was not so a bit nervous before interview as usually I'm a lot more nervous.
5.a)The exhibition wasn't as less beautiful as we hoped to see.
b)The exhibition was not so less beautiful as we hoped to see.
6.a)This book isn't as less interesting as the one I read last week.
b)This book is not so less interesting as the one I read last week.
7.a)Tokio isn't as exciting as for musicians London as more exciting as Tokio and,of course,New York as the most exciting of all.
b)Tokio is not so exciting as for musicians London as more exciting as Tokio and,of course,New York as the most exciting of all.