Вставить as ... as или so ... as.
1.His story isn't ... long ... yours.
2.Our mother is ... young ... her.
3. This writer isn't ...famous ... Jack London.
4. My wife is more beautiful ... his.
5.Second class isn't ... expensive ... first.
6.My friend's dog is ... clever ...my.
7.this story isn't ... interesting ... I trought.
8.That furniture is a little bit cheaper ... this.
9.Their flat is nearly ...comfortable ... our.
10.Her room is much more cleaner ... his.