Plans have been proposed ______ the largest dam in the world to be built along the Congo river.
On the third floor there are two rooms, _____ is used as a meeting-room.
—Are you satisfied with her work, sir?—Not at all. It couldn’t be any _______.
—You know our manager has been in hospital for days?— Yes. I wonder if he is ____ better now.
When you cross the street, you can never be _______ careful.
—I always close all the windows before I sleep. —You’re right. You can not be too ____.