—George is a wise person .—But in my opinion , he is         than wise .

The foreigners are ______ by the ________ progress that the Chinese have made. 

The shop-assistant was straight with his customers. If an article was of _____ quality, he'd tell them so.

The house rent is ____ higher. I get about half the space I had at home but I’ll have to pay _____ here. 

Doctors say that exercise is important for health, but it must be        exercise.