1/ You're right. This room is smaller than that one.
2/ You're right. Mr Adams is younger than Mr Smith.
3/ You're right. Mrs Smith is older than Mrs Adams.
4/ You're right. This exercise is more difficult than that one
5/ You're right. These overcoats are lighter than those ones.
6/ You're right. The new house is smaller than the old one.
7/ You're right. To work at the bank is more boring than to work in the tourist office